Buttons Messages (Windows CE 5.0)

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The following table shows the button messages, with a description of the purpose of each.

Programming element Description
BM_CLICK This message is sent by an application to simulate the user clicking a button.
BM_GETCHECK This message is sent by an application to retrieve the check state of a radio button or check box.
BM_GETSTATE This message is sent by an application to determine the state of a button or check box.
BM_SETCHECK This message is sent by an application to set the check state of a radio button or check box.
BM_SETSTATE This message is sent by an application to change the highlight state of a button.
BM_SETSTYLE This message is sent by an application to change the style of a button.
BN_CLICKED This message is sent when the user taps the pen on the touch screen.
BN_KILLFOCUS This message is sent when a button loses the keyboard focus.
BN_SETFOCUS This message is sent when a button receives the keyboard focus.
WM_CTLCOLORBTN This message is sent to the parent window of a button when the button is about to be drawn.

See Also

Buttons Reference

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