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This function retrieves a handle identifying the current application-defined clipping region for the specified device context.
[in] Handle to the device context.
[in, out] Handle to an existing region before the function is called.
After the function returns, this parameter is a handle to a copy of the current clipping region.
If there is no clipping region for the specified device context, zero indicates success.
If there is a clipping region for the specified device context, 1 indicates success.
–1 indicates that an error occurred.
To get extended error information, call GetLastError.
An application-defined clipping region is a clipping region identified by the SelectClipRgn function. It is not a clipping region created when the application calls the BeginPaint function.
If the function succeeds, the hrgn parameter is a handle to a copy of the current clipping region. Subsequent changes to this copy will not affect the current clipping region.
|Windows Embedded CE||Windows CE 1.0 and later|
|Windows Mobile||Windows Mobile Version 5.0 and later|