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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. Special case: 1 if successful,0 if an error occurs.
Name of the Image control to use.
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. This constant is not available.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. This constant is not available.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. This constant is not available.
Use in prefixed syntax
Drawing with management of opacity
Last update: 03/16/2021
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All you have to do is configure your product as follows: