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Starting a drawing in an Image control Hide the details
Memory DC (device context) of the Image control,0 if an error occurs. This parameter can be used to call system routines (functions of Windows API). In this case, we recommend that you use a system integer.
Name of Image control where the drawing will be performed.
Drawing options:Versions 22 and laterdDisplayAsynchronousNew in version 22dDisplayAsynchronousdDisplayAsynchronousVersions 16 and laterdDisplayManualNew in version 16dDisplayManualdDisplayManualdWithOpacityAllows the opacity to be managed in the different drawing functions used by the Image control. Used for example to create a drawing saved in PNG format with management of alpha layer.dErase(Default value)Erases the drawing found in the Image control.dGridlinesOpacityThe drawing is displayed over gridlines in order to highlight the transparent or semi-transparent sections of drawing. The gridlines are not saved in the image.dNoEraseDoes not erase the drawing found in the Image control.dOnChartUsed to draw in an Image control in which a chart was already drawn. In this case, the chart drawing is not erased.
Starting the drawing in an Image, WDPic or picLayer variable Hide the details
True if the drawing was initialized,False otherwise.
Name of a variable: of type Image.
Drawing options:dWithOpacityAllows managing opacity in the different drawing functions used with the variable. Used for example to create a drawing saved in PNG format with management of alpha layer.dGridlinesOpacityThe drawing is displayed over gridlines in order to highlight the transparent or semi-transparent sections of drawing. The gridlines are not saved in the image.
dNoEraseDoes not erase the drawing in the variable.dOnChartUsed to draw in a variable in which a chart has already been drawn. In this case, the chart drawing is not erased.
No drawing option is used if this parameter is not specified.
Drawing with management of opacity
Last update: 09/14/2021
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