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Version: 2026

<Image variable>.ModifyOpacity (Function)
Modifies the opacity of an image (which means the alpha channel of the image).
7. HFSQL: Physical files
Opens a system window to select a resource from: from the device file system, from the Cloud (Google Drive, Microsoft OneDrive, etc.) or from one of the content managers installed on the device....
Objective C: Calling a WLanguage procedure
A global procedure in WLanguage can be directly called from the code of a global procedure in Objective C......
ErrorWithTimeout (Function)
Displays a custom error message in a system error window for a set amount of time.
ControlFirst (Function)
Indicates the name of the first field specified in the tab order for the specified window.
<Image>.DrawRectangle (Function)
Draws a rectangle in an Image control.
<Image variable>.ChangeMode (Function)
Changes the drawing mode used by the drawing functions (dLine, dRectangle, ....).
dEndDrawing (Function)
Deletes all the drawings made since the last call to dStartDrawing.
<picLayer variable>.EndDrawing (Function)
Deletes all the drawings made since the last call to dStartDrawing.
<WDPic variable>.StartDrawing (Function)
Indicates that the drawing functions that will be used are intended for the specified WDPic variable.
<picLayer variable>.PixelOpacity (Function)
Identifies the opacity of a pixel in a WDPicLayer image with an Alpha channel.
<picLayer variable>.DrawRectangleGradient (Function)
Draws a rectangle in a picLayer variable.
<WDPic variable>.Fill (Function)
Colors an area in a WDPic variable.
<WDPic variable>.HorizontalSymmetry (Function)
Flips an image contained in a WDPic variable with respect to a horizontal axis (symmetry with respect to a horizontal axis).
<picLayer variable>.VerticalSymmetry (Function)
Flips an image contained in a picLayer variable with respect to a vertical axis (symmetry with respect to a vertical axis).