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Overview |
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Group |
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Quick Info
Windows NT
| Yes
| Win95
| Yes
| Win32s
| Yes
| Import Library
| gdi32.lib
| Header File
| wingdi.h
| Unicode
| No
| Platform Notes
| Windows 95: int == 16 bits
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CreateCompatibleDC
The CreateCompatibleDC function creates a memory device context (DC) compatible with the specified
device.
HDC CreateCompatibleDC(
HDC hdc
| // handle to memory device context
| );
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Parameters
hdc
Identifies the device context. If this handle is NULL, the function creates a
memory device context compatible with the application's current screen.
Return Values
If the function succeeds, the return value is the handle to a memory device
context.
If the function fails, the return value is NULL.
Remarks
Before an application can use a memory device context for drawing operations,
it must select a bitmap of the correct width and height into the device
context. Once a bitmap has been selected, the device context can be used to prepare
images that will be copied to the screen or printed.
The CreateCompatibleDC function can only be used with devices that support raster operations. An
application can determine whether a device supports these operations by calling
the GetDeviceCaps function.
When you no longer need the memory device context, call the DeleteDC function to delete it.
See Also
CreateCompatibleBitmap, DeleteDC, GetDeviceCaps
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