OverlayBitmap.GetDC Method |
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| This method returns the device context of the OverlayBitmap object. | ||
| Syntax: | Public Function GetDC() As Long |
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| Return Value: | A long value that contains the handle to the device context that is used in the OverlayBitmap. If an error occurs, the returned value is zero. |
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| Limitations: | Run time only. Only after ICImagingControl.LiveStart has been called once. |
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| Remarks: | If the returned device context is no longer used, an application must call OverlayBitmap.ReleaseDC to release the device context. |
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| Example: | This Basic example demonstrates how to place a bitmap on the live video. The example uses functions from the Windows GDI library. They must be declared on top the form as follows. |
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| See also: | OverlayBitmap, OverlayBitmap.ReleaseDC, ICImagingControl.LiveStart | |