api:dk11:delphi:gisviewer.tgis_viewernonvisual
Table of Contents
TGIS_ViewerNonVisual class
DK11 for Delphi | GisViewer.TGIS_ViewerNonVisual | Classes | Constructors | Methods | Properties | Events
Encapsulation of the viewer w/o any kind of visual implementation. This viewer can be used to manipulate project files, etc.
Syntax
// Delphi type TGIS_ViewerNonVisual = class( TComponent, IGIS_Viewer, IGIS_ViewerParent ) end;
// C++ Builder class PASCALIMPLEMENTATION TGIS_ViewerNonVisual : public TComponent { };
Inheritance
→ TComponent
Implements
Constructors
Inherited
Overrides
Protected
Private
| Name | Visibility | Description | |
|---|---|---|---|
| Create | public | Standard constructor. | |
| Destroy | public | ||
Methods
Inherited
Overrides
Protected
Private
| Name | Visibility | Description | |
|---|---|---|---|
| Add | public | Add a layer to the Viewer. (Implements IGIS_Viewer.Add) |
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| AddHierarchy | public | Read hierarchy and build groups with layers. (Implements IGIS_Viewer.AddHierarchy) |
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| AssignedBusyEvent | public | Reference to a help event handler assigned to the Viewer. (Implements IGIS_Viewer.AssignedBusyEvent) |
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| AssignedHelpEvent | public | Reference to a busy event handler assigned to the Viewer. (Implements IGIS_Viewer.AssignedHelpEvent) |
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| AttachLayer | public | Attach layer to the viewer by re-parenting. (Implements IGIS_Viewer.AttachLayer) |
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| BeginPaintInternal | public | Notify viewer about entering of a paint mode. (Implements IGIS_Viewer.BeginPaintInternal) |
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| BusyPrepare | public | Prepare BusyEvent for long-term operation. (Implements IGIS_Viewer.BusyPrepare) |
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| BusyRelease | public | Release Busy state. (Implements IGIS_Viewer.BusyRelease) |
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| BusyShake | public | Shake Busy state. (Implements IGIS_Viewer.BusyShake) |
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| CenterViewport | public | Set viewport to the vale when _ptg will be visible on the center of the screen. (Implements IGIS_Viewer.CenterViewport) |
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| ChangeHash | public | Change hash. (Implements IGIS_Viewer.ChangeHash) |
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| Close | public | Close a project. (Implements IGIS_Viewer.Close) |
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| ControlAutoCenterViewport | public | Move the screen origin of the map by delta values. (Implements IGIS_ViewerParent.ControlAutoCenterViewport) |
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| ControlCanvasHeight | public | Get canvas height. (Implements IGIS_ViewerParent.ControlCanvasHeight) |
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| ControlCanvasScale | public | Get canvas scale. (Implements IGIS_ViewerParent.ControlCanvasScale) |
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| ControlCanvasWidth | public | Get canvas width. (Implements IGIS_ViewerParent.ControlCanvasWidth) |
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| ControlClose | public | Notify control that is map is going to be closed. (Implements IGIS_ViewerParent.ControlClose) |
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| ControlDrawTexture(TObject; TGIS_Extent; Integer) | public | Draw texture. (Implements IGIS_ViewerParent.ControlDrawTexture) |
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| ControlDrawTexture(TObject; TGIS_LayerAbstract; TGIS_Extent; Integer) | public | Draw texture. (Implements IGIS_ViewerParent.ControlDrawTexture) |
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| ControlExtentChanged | public | Notify control that is map extent was changed (Implements IGIS_ViewerParent.ControlExtentChanged) |
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| ControlFlash | public | Do flash. (Implements IGIS_ViewerParent.ControlFlash) |
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| ControlHourglassHide | public | Do Hourglass hide. (Implements IGIS_ViewerParent.ControlHourglassHide) |
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| ControlHourglassShake | public | Do Hourglass shake. (Implements IGIS_ViewerParent.ControlHourglassShake) |
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| ControlHourglassShow | public | Do Hourglass show. (Implements IGIS_ViewerParent.ControlHourglassShow) |
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| ControlPPI | public | Get current PPI. (Implements IGIS_ViewerParent.ControlPPI) |
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| ControlProcessMessages | public | Do process messages. (Implements IGIS_ViewerParent.ControlProcessMessages) |
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| ControlRaiseEditorChangeEvent | public | Raise event on editor change. (Implements IGIS_ViewerParent.ControlRaiseEditorChangeEvent) |
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| ControlRenderer | public | Get renderer instance. (Implements IGIS_ViewerParent.ControlRenderer) |
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| ControlRepaint | public | Repaint control. (Implements IGIS_ViewerParent.ControlRepaint) |
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| ControlSet3DMode | public | Set current 3D mode. (Implements IGIS_ViewerParent.ControlSet3DMode) |
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| ControlSystemPPI | public | Get system PPI. (Implements IGIS_ViewerParent.ControlSystemPPI) |
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| ControlUpdateBasemap | public | Update basemap. (Implements IGIS_ViewerParent.ControlUpdateBasemap) |
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| ControlUpdateEditor | public | Update the editor. (Implements IGIS_ViewerParent.ControlUpdateEditor) |
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| ControlUpdateProgressive | public | Progressive update. (Implements IGIS_ViewerParent.ControlUpdateProgressive) |
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| ControlUpdateSelection | public | Update Selection layer. (Implements IGIS_ViewerParent.ControlUpdateSelection) |
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| ControlUpdateSynchronize | public | Wait for pending paint operation to be finalized. (Implements IGIS_ViewerParent.ControlUpdateSynchronize) |
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| ControlUpdateTopmost | public | Update Topmost layer. (Implements IGIS_ViewerParent.ControlUpdateTopmost) |
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| ControlUpdateWholeMap | public | Update whole map. (Implements IGIS_ViewerParent.ControlUpdateWholeMap) |
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| Delete | public | Delete the layer identified by a name. (Implements IGIS_Viewer.Delete) |
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| Draw | public | Draw all layers on a current renderer. (Implements IGIS_Viewer.Draw) |
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| EndPaintInternal | public | Notify viewer about leaving of a paint mode. (Implements IGIS_Viewer.EndPaintInternal) |
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| FullExtent | public | Calculate the screen origin, zoom, and viewport to place the whole map in the window. (Implements IGIS_Viewer.FullExtent) |
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| FullExtentZoom | public | Calculates a zoom which places the whole map inside the window (Implements IGIS_Viewer.FullExtentZoom) |
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| Get | public | Retrieve the layer identified by a name. (Implements IGIS_Viewer.Get) |
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| GetGrid | public | Fills provided _grid array with values defined by _extent. (Implements IGIS_Viewer.GetGrid) |
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| GetRenderContext | public | Return current context object. (Implements IGIS_Viewer.GetRenderContext) |
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| GetViewer | public | Get internal viewer handle. (Implements IGIS_ViewerParent.GetViewer) |
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| HourglassActive | public | Test is hourglass is active. (Implements IGIS_Viewer.HourglassActive) |
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| HourglassPrepare | public | Prepare Hourglass cursor for timely operation. (Implements IGIS_Viewer.HourglassPrepare) |
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| HourglassRelease | public | Release Hourglass. (Implements IGIS_Viewer.HourglassRelease) |
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| HourglassRestart | public | Restart hourglass timing used for progressive updates. (Implements IGIS_Viewer.HourglassRestart) |
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| HourglassShake | public | Shake Hourglass. (Implements IGIS_Viewer.HourglassShake) |
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| Interrupt | public | Will terminate timely operation as soon as possible. (Implements IGIS_Viewer.Interrupt) |
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| Interrupted | public | Test if any pending operation must be aborted. (Implements IGIS_Viewer.Interrupted) |
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| InvalidateBasemap | public | Invalidate only basemap layers. (Implements IGIS_Viewer.InvalidateBasemap) |
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| InvalidateEditor | public | Invalidate editor. (Implements IGIS_Viewer.InvalidateEditor) |
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| InvalidateExtent(TGIS_Extent) | public | Invalidate an extent for full map redraw (Implements IGIS_Viewer.InvalidateExtent) |
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| InvalidateExtent(TGIS_Extent; Boolean) | public | Invalidate an extent. (Implements IGIS_Viewer.InvalidateExtent) |
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| InvalidateSelection | public | Invalidate selection. (Implements IGIS_Viewer.InvalidateSelection) |
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| InvalidateTopmost | public | Invalidate only topmost layers. (Implements IGIS_Viewer.InvalidateTopmost) |
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| InvalidateWholeMap | public | Invalidate whole map. (Implements IGIS_Viewer.InvalidateWholeMap) |
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| Locate(TGIS_Point; Double) | public | Locate a shape that is near _ptg, but is closer than _prec distance. (Implements IGIS_Viewer.Locate) |
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| Locate(TGIS_Point; Double; Boolean) | public | Locate a shape that is near _ptg, but is closer than _prec distance. (Implements IGIS_Viewer.Locate) |
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| Locate(TPoint; Integer) | public | Locate a shape that is near _pt, but is closer than _prec distance. (Implements IGIS_Viewer.Locate) |
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| LocateEx | public | Locate shapes on layers that are near _ptg, but closer than _prec distance. (Implements IGIS_Viewer.LocateEx) |
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| Lock | public | Lock viewer. (Implements IGIS_Viewer.Lock) |
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| MapToScreen | public | Converts point coordinates from map related to screen related. (Implements IGIS_Viewer.MapToScreen) |
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| MapToScreen3D | public | Converts 3D point coordinates from map related to screen related. (Implements IGIS_Viewer.MapToScreen3D) |
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| MapToScreenEx | public | Converts point coordinates from map related to screen related, but result will be in TGIS_Point. (Implements IGIS_Viewer.MapToScreenEx) |
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| MapToScreenRect | public | Converts rectangle coordinates from map related to screen related. (Implements IGIS_Viewer.MapToScreenRect) |
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| MarkModified | public | Mark viewer upon some modifications. (Implements IGIS_Viewer.MarkModified) |
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| MoveViewport | public | Move the screen origin of the map by delta values. (Implements IGIS_Viewer.MoveViewport) |
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| MoveViewportEx | public | Move the screen origin of the map by delta values. (Implements IGIS_Viewer.MoveViewportEx) |
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| MustSave | public | Check if any layer or the project file was modified by editing. (Implements IGIS_Viewer.MustSave) |
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| NotifyPaintException | public | Transform underlying exception into TGIS_Viewer.OnPaintException (Implements IGIS_Viewer.NotifyPaintException) |
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| NotifySubscribers | public | Send notification to subscribers. (Implements IGIS_Viewer.NotifySubscribers) |
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| Open(String) | public | Open project. (Implements IGIS_Viewer.Open) |
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| Open(String; Boolean) | public | Open project. (Implements IGIS_Viewer.Open) |
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| OpenEx(TGIS_ConfigAbstract; String) | public | Open project file from the memory. (Implements IGIS_Viewer.OpenEx) |
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| OpenEx(TGIS_ConfigAbstract; String; Boolean) | public | Open project file from the memory. (Implements IGIS_Viewer.OpenEx) |
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| PixelsToTwips | public | Convert size from device dependent pixels to device independent Twips (1/1440 inch). (Implements IGIS_Viewer.PixelsToTwips) |
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| RaiseBusyEvent | public | Fire Busy event of a viewer. (Implements IGIS_Viewer.RaiseBusyEvent) |
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| RaiseHelpEvent | public | Fire Busy event of a viewer. (Implements IGIS_Viewer.RaiseHelpEvent) |
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| ReadConfig | public | Read all configuration data from project. (Implements IGIS_Viewer.ReadConfig) |
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| RecalcExtent | public | Calculates a common extent. (Implements IGIS_Viewer.RecalcExtent) |
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| ReParent | public | Set a new parent for the viewer. (Implements IGIS_Viewer.ReParent) |
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| ReParentLock | public | Block reparenting. (Implements IGIS_Viewer.ReParentLock) |
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| ReParentUnlock | public | Unblock reparenting. (Implements IGIS_Viewer.ReParentUnlock) |
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| Reposition | public | Reposition the map within the component window. (Implements IGIS_Viewer.Reposition) |
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| RereadConfig | public | Reread all configuration data from project and layer configuration files. (Implements IGIS_Viewer.RereadConfig) |
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| RestorePaintState | public | Restore and free the current paint state. (Implements IGIS_Viewer.RestorePaintState) |
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| RevertAll | public | Revert all layers to a file-based original. (Implements IGIS_Viewer.RevertAll) |
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| RotatedExtent | public | Compute extent (encompassing area of the extent) after the viewer rotation. (Implements IGIS_Viewer.RotatedExtent) |
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| RotatedPoint | public | Compute position of the point after the viewer rotation. (Implements IGIS_Viewer.RotatedPoint) |
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| RotatedPoint3D | public | Compute position of the 3D point after the viewer rotation. (Implements IGIS_Viewer.RotatedPoint3D) |
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| RotatedPoint3D_ref | public | Compute position of the 3D point after the viewer rotation. (Implements IGIS_Viewer.RotatedPoint3D_ref) |
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| SaveAll | public | Save all layers (parameters and data) (Implements IGIS_Viewer.SaveAll) |
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| SaveData | public | Save all changes to the data. (Implements IGIS_Viewer.SaveData) |
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| SaveProject | public | Save current project. (Implements IGIS_Viewer.SaveProject) |
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| SaveProject(Boolean) | public | Save current project. (Implements IGIS_Viewer.SaveProject) |
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| SaveProjectAs(String) | public | Save current project under new name. (Implements IGIS_Viewer.SaveProjectAs) |
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| SaveProjectAs(String; Boolean) | public | Save current project under new name. (Implements IGIS_Viewer.SaveProjectAs) |
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| SaveProjectAsEx(TGIS_ConfigAbstract; String) | public | Save current project under new name. (Implements IGIS_Viewer.SaveProjectAsEx) |
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| SaveProjectAsEx(TGIS_ConfigAbstract; String; Boolean) | public | Save current project under new name. (Implements IGIS_Viewer.SaveProjectAsEx) |
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| ScreenToMap | public | Converts point coordinates from screen related to map related. (Implements IGIS_Viewer.ScreenToMap) |
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| ScreenToMap3D | public | Converts point coordinates from screen related to map related. (Implements IGIS_Viewer.ScreenToMap3D) |
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| ScreenToMapEx | public | Converts point coordinates from screen related to map related, but source will be in TGIS_Point. (Implements IGIS_Viewer.ScreenToMapEx) |
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| ScreenToMapRect | public | Converts rectangle coordinates from screen related to map related. (Implements IGIS_Viewer.ScreenToMapRect) |
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| SetCSByEPSG | public | Setup Coordinate System to a coordinate system provided by EPSG code. (Implements IGIS_Viewer.SetCSByEPSG) |
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| SetCSByWKT | public | Setup Coordinate System to a coordinate system provided by WKT string (GEOGCS or PROJCS). (Implements IGIS_Viewer.SetCSByWKT) |
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| SetCSByWKTFile | public | Setup Coordinate System to a coordinate system provided by file which contains WKT string (GEOGCS or PROJCS). (Implements IGIS_Viewer.SetCSByWKTFile) |
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| SetViewer | public | Set internal viewer handle. (Implements IGIS_ViewerParent.SetViewer) |
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| SetViewport | public | Set viewport to a given position. (Implements IGIS_Viewer.SetViewport) |
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| StorePaintState | public | Store the current paint state. (Implements IGIS_Viewer.StorePaintState) |
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| Subscribe | public | Add provided control to the notification subscription list. (Implements IGIS_Viewer.Subscribe) |
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| SynchronizePaint | public | Wait for pending paint operation to be finalized. (Implements IGIS_Viewer.SynchronizePaint) |
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| TwipsToPixels | public | Convert the size from to device independent Twips (1/1440 inch) to device dependent pixels. (Implements IGIS_Viewer.TwipsToPixels) |
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| TwipsToPoints | public | Convert the size from to device independent Twips (1/1440 inch) to device points. (Implements IGIS_Viewer.TwipsToPoints) |
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| Unlock | public | Unlock viewer. (Implements IGIS_Viewer.Unlock) |
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| Unlock(Boolean) | public | Unlock the viewer but do not redraw (Implements IGIS_Viewer.Unlock) |
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| UnrotatedExtent | public | Compute original extent of the rotated extent. (Implements IGIS_Viewer.UnrotatedExtent) |
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| UnrotatedPoint | public | Compute original position of the rotated point. (Implements IGIS_Viewer.UnrotatedPoint) |
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| UnrotatedPoint3D | public | Compute original position of the rotated 3D point. (Implements IGIS_Viewer.UnrotatedPoint3D) |
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| UnrotatedPoint3D_ref | public | Compute original position of the rotated 3D point. (Implements IGIS_Viewer.UnrotatedPoint3D_ref) |
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| UnSubscribe | public | Remove provided control from the notification subscription list. (Implements IGIS_Viewer.UnSubscribe) |
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| WaitForBackgroundProcesses | public | Wait for any pending background processes that must be finalized before app can continue. (Implements IGIS_Viewer.WaitForBackgroundProcesses) |
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| WaitForNotBusy | public | Call _proc when viewer will fully end painting procees. (Implements IGIS_Viewer.WaitForNotBusy) |
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| WriteConfig | public | Write all configuration data to the project or layer ini file. (Implements IGIS_Viewer.WriteConfig) |
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Properties
Inherited
Protected
Private
| Name | Visibility | Description | |
|---|---|---|---|
| AutoStyle | public | If True, layers added to the viewer will have a unique style applied; Default is False. (Implements IGIS_Viewer.AutoStyle) |
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| BigExtent | public | Map extent. (Implements IGIS_Viewer.BigExtent) |
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| BigExtentMargin | public | Map extent margin. (Implements IGIS_Viewer.BigExtentMargin) |
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| BusyLevel | public | Level of current busy state. (Implements IGIS_Viewer.BusyLevel) |
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| BusyText | public | Text related to current busy state. (Implements IGIS_Viewer.BusyText) |
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| Center | public | Center the screen based on given point. (Implements IGIS_Viewer.Center) |
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| CenterPtg | public | Point on which Viewer will be centered during Zoom. (Implements IGIS_Viewer.CenterPtg) |
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| Color | public | Background color. (Implements IGIS_Viewer.Color) |
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| Copyright | public | Legal notice and product version. (Implements IGIS_Viewer.Copyright) |
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| CS | public | Coordinate System assigned to the viewer. (Implements IGIS_Viewer.CS) |
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| CustomData | public | List of custom, user-defined data. (Implements IGIS_Viewer.CustomData) |
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| CustomPPI | public | Custom resolution in pixels-per-inch. (Implements IGIS_Viewer.CustomPPI) |
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| DelayedUpdate | public | Delayed update threshold in milliseconds. (Inherited from IGIS_Viewer) |
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| Editor | public | Editor context. (Implements IGIS_Viewer.Editor) |
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| Extent | public | Map extent. (Implements IGIS_Viewer.Extent) |
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| FileCopyrights | public | List Copyrights (Implements IGIS_Viewer.FileCopyrights) |
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| FontScale | public | Font magnifying factor in percents. (Implements IGIS_Viewer.FontScale) |
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| FullDrawExtent | public | Extent of full current/last drawing area including margin and w/o tiling. (Implements IGIS_Viewer.FullDrawExtent) |
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| Hierarchy | public | Hierarchy list. (Implements IGIS_Viewer.Hierarchy) |
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| IncrementalPaint | public | Is partial drawing to screen done in incremental mode? (Implements IGIS_Viewer.IncrementalPaint) |
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| InPaint | public | True if Viewer is busy in Paint procedure. (Implements IGIS_Viewer.InPaint) |
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| IsBusy | public | True if Viewer is busy. (Implements IGIS_Viewer.IsBusy) |
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| IsEmpty | public | True if Viewer is empty (no layers). (Implements IGIS_Viewer.IsEmpty) |
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| IsLocked | public | True if Viewer is in locked state Lock. (Implements IGIS_Viewer.IsLocked) |
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| IsTopmost | public | True if Viewer has a topmost layer. (Implements IGIS_Viewer.IsTopmost) |
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| Items | public | All layers. (Implements IGIS_Viewer.Items) |
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| KeepScale | public | True if a viewer should maintain scale upon resize. (Inherited from IGIS_Viewer) |
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| LabelsReg | public | Labels position allocator object. (Implements IGIS_Viewer.LabelsReg) |
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| Level | public | Sets and gets zoom level for a viewer. (Implements IGIS_Viewer.Level) |
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| MasterViewer | public | Master Viewer reference. (Implements IGIS_Viewer.MasterViewer) |
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| MultiUserMode | public | Multiuser mode. (Implements IGIS_Viewer.MultiUserMode) |
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| OverlappedExtentMargin | public | Overlapped extent margin (in pixels). (Implements IGIS_Viewer.OverlappedExtentMargin) |
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| PPI | public | Rendering resolution in pixels-per-inch. (Implements IGIS_Viewer.PPI) |
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| ProgressiveUpdate | public | Progressive update threshold in milliseconds. (Inherited from IGIS_Viewer) |
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| ProjectFile | public | Project file itself as opened in Open procedure. (Implements IGIS_Viewer.ProjectFile) |
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| ProjectName | public | Project file name as opened in Open procedure. (Implements IGIS_Viewer.ProjectName) |
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| RestrictedDrag | public | If true, then you can not drag outside the map Extent. (Implements IGIS_Viewer.RestrictedDrag) |
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| RestrictedExtent | public | Restricted Map extent. (Implements IGIS_Viewer.RestrictedExtent) |
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| RotationAngle | public | Angle of viewer rotation in radians. (Implements IGIS_Viewer.RotationAngle) |
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| RotationPoint | public | Point of viewer rotation in map units. (Implements IGIS_Viewer.RotationPoint) |
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| Scale | public | Setting up and reading the scale factor. (Implements IGIS_Viewer.Scale) |
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| ScaleAsFloat | public | Setting up and reading the scale factor. (Implements IGIS_Viewer.ScaleAsFloat) |
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| ScaleAsText | public | Setting up and reading the scale factor as text in format '1:10000'. (Implements IGIS_Viewer.ScaleAsText) |
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| SelectionGisColor | public | Color used for selecting object. (Implements IGIS_Viewer.SelectionGisColor) |
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| SelectionOutlineOnly | public | If true then polygons will be marked only with outline not a full fill. (Implements IGIS_Viewer.SelectionOutlineOnly) |
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| SelectionTransparency | public | Transparency value for selection; if 100 SelectionGisColor will not be transparent. (Implements IGIS_Viewer.SelectionTransparency) |
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| SelectionWidth | public | Outline width of selection area (>0 in twips, <0 in pixels). (Implements IGIS_Viewer.SelectionWidth) |
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| SystemPPI | public | System resolution in pixels-per-inch. (Implements IGIS_Viewer.SystemPPI) |
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| TemporaryScaleInternal | public | Used to force rendering in a different scale then actual. (Implements IGIS_Viewer.TemporaryScaleInternal) |
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| TemporaryVisibleExtent | public | Used to force rendering labels while drawing with tiles. (Implements IGIS_Viewer.TemporaryVisibleExtent) |
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| TiledPaint | public | Is partial drawing to screen done in tiled mode? (Implements IGIS_Viewer.TiledPaint) |
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| UponDestroy | public | True if viewer is upon destruction so some operations (like screen updates) should not be performed (Implements IGIS_Viewer.UponDestroy) |
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| UseAnimations | public | True if animation upon zooming are allowed. (Inherited from IGIS_Viewer) |
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| UseRTree | public | True if RTree will be used by default upon creation of any layer. (Implements IGIS_Viewer.UseRTree) |
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| ViewerParent | public | Parent for the current IGIS_Viewer object. (Implements IGIS_Viewer.ViewerParent) |
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| ViewerParentRoot | public | Parent for the current IGIS_Viewer object. (Implements IGIS_Viewer.ViewerParentRoot) |
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| Viewport | public | Setting an upper left corner position of the components window within the map. (Implements IGIS_Viewer.Viewport) |
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| VisibleExtent | public | Extent of the map that is visible in the window. (Implements IGIS_Viewer.VisibleExtent) |
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| Zoom | public | Setting up and reading the related zoom factor. (Implements IGIS_Viewer.Zoom) |
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| ZoomEx | public | Setting up and reading the absolute zoom factor. (Implements IGIS_Viewer.ZoomEx) |
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Events
Inherited
Protected
Private
| Name | Visibility | Description | |
|---|---|---|---|
| BusyEvent | published | Busy event. | |
| ExtentChangeEvent | published | ExtentChange event. | |
| VisibleExtentChangeEvent | published | VisibleExtentChange event. | |
| ZoomChangeEvent | published | ZoomChange event. | |
2024/10/23 01:07