api:dk11:delphi:gisviewer.tgis_viewer_methods
TGIS_Viewer methods
DK for Delphi | GisViewer.TGIS_Viewer | Constructors | Fields | Methods | Properties | Events
Methods
Inherited
Overrides
Protected
Private
| Name | Visibility | Description | |
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| Add | public | Add a layer to the Viewer. (Implements IGIS_Viewer.Add) |
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| AddHierarchy | public | Read hierarchy information and build hierarchy groups with layers. (Implements IGIS_Viewer.AddHierarchy) |
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| AddProxy | public | ||
| AssignedBusyEvent | public | Reference to a busy event handler assigned to the Viewer. (Implements IGIS_Viewer.AssignedBusyEvent) |
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| AssignedHelpEvent | public | Reference to a help 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 the viewer that painting is starting. (Implements IGIS_Viewer.BeginPaintInternal) |
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| BusyPrepare | public | Prepare BusyEvent for a long-running operation. (Implements IGIS_Viewer.BusyPrepare) |
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| BusyRelease | public | Release the busy state. (Implements IGIS_Viewer.BusyRelease) |
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| BusyShake | public | Update the busy state. (Implements IGIS_Viewer.BusyShake) |
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| CenterViewport | public | Sets the viewport so that _ptg becomes visible at the center of the screen. (Implements IGIS_Viewer.CenterViewport) |
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| ChangeHash | public | Change hash used to verify whether the layer order, parameters, or related viewer state has been modified. (Implements IGIS_Viewer.ChangeHash) |
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| Close | public | Close the current project. (Implements IGIS_Viewer.Close) |
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| Delete | public | Delete the layer identified by a name. (Implements IGIS_Viewer.Delete) |
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| doCreate | protected | Perform internal viewer initialization for the constructor. | |
| Draw | public | Draw all layers on the current renderer. (Implements IGIS_Viewer.Draw) |
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| EndPaintInternal | public | Notify the viewer that painting has finished. (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 the zoom that fits the whole map inside the window. (Implements IGIS_Viewer.FullExtentZoom) |
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| Get | public | Retrieve the layer identified by name. (Implements IGIS_Viewer.Get) |
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| GetGrid | public | Fill the provided _grid array with values for _extent. (Implements IGIS_Viewer.GetGrid) |
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| GetRenderContext | public | Returns the current rendering context object. (Implements IGIS_Viewer.GetRenderContext) |
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| HourglassActive | public | Test whether the hourglass is active. (Implements IGIS_Viewer.HourglassActive) |
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| HourglassPrepare | public | Prepare the hourglass cursor for a long operation. (Implements IGIS_Viewer.HourglassPrepare) |
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| HourglassRelease | public | Release the hourglass state. (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 | Refresh the hourglass state. (Implements IGIS_Viewer.HourglassShake) |
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| Interrupt | public | Request interruption of a long-running operation as soon as possible. (Implements IGIS_Viewer.Interrupt) |
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| Interrupted | public | Test whether a 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 the editor to mark the viewer for redraw after an editor change. (Implements IGIS_Viewer.InvalidateEditor) |
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| InvalidateExtent(TGIS_Extent) | public | Invalidate an extent for a 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 the selection to mark the viewer for redraw after a selection change. (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 | Locates the shape nearest to _ptg that is within _prec. (Implements IGIS_Viewer.Locate) |
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| Locate(TGIS_Point; Double; Boolean) | public | Locates the shape nearest to _ptg that is within _prec. (Implements IGIS_Viewer.Locate) |
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| Locate(TPoint; Integer) | public | Locates the shape nearest to _pt that is within _prec. (Implements IGIS_Viewer.Locate) |
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| LocateEx | public | Locates shapes on layers near _ptg and returns the best candidate from each layer that is within _prec. (Implements IGIS_Viewer.LocateEx) |
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| Lock | public | Lock the viewer. (Implements IGIS_Viewer.Lock) |
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| MapToScreen | public | Converts point coordinates from map coordinates to screen coordinates. (Implements IGIS_Viewer.MapToScreen) |
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| MapToScreen3D | public | Converts 3D point coordinates from map coordinates to screen coordinates. (Implements IGIS_Viewer.MapToScreen3D) |
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| MapToScreenEx | public | Converts point coordinates from map coordinates to screen coordinates, returning the result as TGIS_Point. (Implements IGIS_Viewer.MapToScreenEx) |
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| MapToScreenRect | public | Converts rectangle coordinates from map coordinates to screen coordinates. (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 | Moves the map viewport by delta values in screen coordinates. (Implements IGIS_Viewer.MoveViewport) |
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| MoveViewportEx | public | Moves the map viewport by delta values in map coordinates. (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 an exception into a TGIS_Viewer.OnPaintException event. (Implements IGIS_Viewer.NotifyPaintException) |
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| NotifySubscribers | public | Send a notification to subscribed controls. (Implements IGIS_Viewer.NotifySubscribers) |
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| Open(String) | public | Open a project. (Implements IGIS_Viewer.Open) |
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| Open(String; Boolean) | public | Open a project. (Implements IGIS_Viewer.Open) |
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| OpenAsync(String; Boolean; TGIS_AsyncCallback) | public | Open a project asynchronously. (Implements IGIS_Viewer.OpenAsync) |
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| OpenAsync(String; TGIS_AsyncCallback) | public | Open a project asynchronously. (Implements IGIS_Viewer.OpenAsync) |
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| OpenEx(TGIS_ConfigAbstract; String) | public | Open a project file from memory. (Implements IGIS_Viewer.OpenEx) |
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| OpenEx(TGIS_ConfigAbstract; String; Boolean) | public | Open a project file from memory. (Implements IGIS_Viewer.OpenEx) |
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| OpenExAsync(TGIS_ConfigAbstract; String; Boolean; TGIS_AsyncCallback) | public | Open a project file from memory asynchronously. (Implements IGIS_Viewer.OpenExAsync) |
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| OpenExAsync(TGIS_ConfigAbstract; String; TGIS_AsyncCallback) | public | Open a project file from memory asynchronously. (Implements IGIS_Viewer.OpenExAsync) |
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| PixelsToTwips | public | Converts a size from device-dependent pixels to device-independent twips (1/1440 inch) to keep the map device independent. (Implements IGIS_Viewer.PixelsToTwips) |
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| PrintPdf(String) | public | Prints the current extent to PDF using the default page size. (Implements IGIS_Viewer.PrintPdf) |
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| PrintPdf(String; Single; Single) | public | Prints the current extent to PDF. (Implements IGIS_Viewer.PrintPdf) |
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| PrintPdf(TStream) | public | Prints the current extent to PDF using the default page size. (Implements IGIS_Viewer.PrintPdf) |
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| PrintPdf(TStream; Single; Single) | public | Prints the current extent to PDF. (Implements IGIS_Viewer.PrintPdf) |
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| PrintSvg(String) | public | Prints the current extent to SVG (Scalable Vector Graphics) using the parent view box size and parent PPI. (Implements IGIS_Viewer.PrintSvg) |
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| PrintSvg(String; Single; Single; Integer) | public | Prints the current extent to SVG (Scalable Vector Graphics). (Implements IGIS_Viewer.PrintSvg) |
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| PrintSvg(TStream) | public | Prints the current extent to SVG (Scalable Vector Graphics) using the parent view box size and parent PPI. (Implements IGIS_Viewer.PrintSvg) |
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| PrintSvg(TStream; Single; Single; Integer) | public | Prints the current extent to SVG (Scalable Vector Graphics). (Implements IGIS_Viewer.PrintSvg) |
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| RaiseBusyEvent | public | Fire the viewer busy event. (Implements IGIS_Viewer.RaiseBusyEvent) |
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| RaiseHelpEvent | public | Fire the viewer help event. (Implements IGIS_Viewer.RaiseHelpEvent) |
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| ReadConfig | public | Read all configuration data from the 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 the project and layer configuration files. (Implements IGIS_Viewer.RereadConfig) |
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| ResetPPI | public | Reset cached PPI values so viewer PPI can be recalculated. | |
| 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 | Computes the extent that encompasses an extent after viewer rotation. (Implements IGIS_Viewer.RotatedExtent) |
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| RotatedPoint | public | Computes the position of a point after viewer rotation. (Implements IGIS_Viewer.RotatedPoint) |
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| RotatedPoint3D | public | Computes the position of a 3D point after viewer rotation. (Implements IGIS_Viewer.RotatedPoint3D) |
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| RotatedPoint3D_ref | public | Computes the position of the 3D point after 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 the current project. (Implements IGIS_Viewer.SaveProject) |
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| SaveProject(Boolean) | public | Save the current project. (Implements IGIS_Viewer.SaveProject) |
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| SaveProjectAs(String) | public | Save the current project under a new name. (Implements IGIS_Viewer.SaveProjectAs) |
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| SaveProjectAs(String; Boolean) | public | Save the current project under a new name. (Implements IGIS_Viewer.SaveProjectAs) |
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| SaveProjectAsEx(TGIS_ConfigAbstract; String) | public | Save the current project under a new name. (Implements IGIS_Viewer.SaveProjectAsEx) |
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| SaveProjectAsEx(TGIS_ConfigAbstract; String; Boolean) | public | Save the current project under a new name. (Implements IGIS_Viewer.SaveProjectAsEx) |
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| ScreenToMap | public | Converts point coordinates from screen coordinates to map coordinates. (Implements IGIS_Viewer.ScreenToMap) |
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| ScreenToMap3D | public | Converts point coordinates from screen coordinates to map coordinates. (Implements IGIS_Viewer.ScreenToMap3D) |
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| ScreenToMapEx | public | Converts point coordinates from screen coordinates to map coordinates, using TGIS_Point as the source type. (Implements IGIS_Viewer.ScreenToMapEx) |
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| ScreenToMapRect(Integer; Integer; Integer; Integer) | public | ||
| ScreenToMapRect(TRect) | public | Converts rectangle coordinates from screen coordinates to map coordinates. (Implements IGIS_Viewer.ScreenToMapRect) |
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| SetCSByEPSG | public | Sets the coordinate system from an EPSG (European Petroleum Survey Group) code. (Implements IGIS_Viewer.SetCSByEPSG) |
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| SetCSByWKT | public | Sets the coordinate system from a WKT (Well-Known Text) string containing a GEOGCS or PROJCS definition. (Implements IGIS_Viewer.SetCSByWKT) |
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| SetCSByWKTFile | public | Sets the coordinate system from a file containing a WKT (Well-Known Text) string with a GEOGCS or PROJCS definition. (Implements IGIS_Viewer.SetCSByWKTFile) |
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| SetViewport | public | Sets the viewport origin to a given position in map coordinates. (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 a pending paint operation to finish. (Implements IGIS_Viewer.SynchronizePaint) |
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| TwipsToPixels | public | Converts a size from device-independent twips (1/1440 inch) to device-dependent pixels to keep the map device independent. (Implements IGIS_Viewer.TwipsToPixels) |
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| TwipsToPoints | public | Converts a size from device-independent twips (1/1440 inch) to device points for advanced font sizing. (Implements IGIS_Viewer.TwipsToPoints) |
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| Unlock | public | Unlock the viewer and redraw it. (Implements IGIS_Viewer.Unlock) |
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| Unlock(Boolean) | public | Unlock the viewer and optionally redraw it. (Implements IGIS_Viewer.Unlock) |
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| UnrotatedExtent | public | Computes the original extent of a rotated extent. (Implements IGIS_Viewer.UnrotatedExtent) |
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| UnrotatedPoint | public | Computes the original position of a rotated point. (Implements IGIS_Viewer.UnrotatedPoint) |
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| UnrotatedPoint3D | public | Computes the original position of a rotated 3D point. (Implements IGIS_Viewer.UnrotatedPoint3D) |
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| UnrotatedPoint3D_ref | public | Computes the original position of a 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 | Waits for any pending background processes that must finish before the application can continue. (Implements IGIS_Viewer.WaitForBackgroundProcesses) |
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| WaitForNotBusy | public | Calls _proc when the viewer fully finishes the painting process. (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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2026/08/30 02:10