- Drawing functions, zoom and automatic scrollbars
- How zoom works
In french: Zoom
Drawing functions, zoom and automatic scrollbars
The "Automatic scrollbars and zoom" option, available for Image controls, is not compatible with dStartDrawing
. If this option is used on the Image control, dStartDrawing
freezes the image in the control. The zoom is also fixed. The standard behavior is restored when dEndDrawing
How zoom works
property corresponds to a value between the values of the MinZoom
properties . This value corresponds to the magnification factor. For example, if the Zoom
property is set to 2, it means that a '2x' zoom is applied.
- If the value of the Zoom property is greater than that of the MaxZoom property, the zoom takes the value of MaxZoom.
- If the value of the Zoom property is less than that of the MinZoom property, the zoom takes the value of MinZoom.
Unit examples (WINDEV): The Image control (display a PDF or a TIFF)
Unit examples (WEBDEV): The Map control
Unit examples (WINDEV): The Map control
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