Keyboard Messages
A version of this page is also available for
4/8/2010
The following table shows the keyboard messages, with a description of the purpose of each.
| Programming element | Description |
|---|---|
This message is sent when a window is being activated or deactivated. |
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This message is posted to the window with the keyboard focus when a WM_KEYDOWN message is translated by the TranslateMessage function. |
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This message is posted when the user presses a hot key registered by the RegisterHotKey function. |
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This message is sent when a pop–up menu is about to become active. |
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This message is posted to the window with the keyboard focus when a nonsystem key is pressed. |
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This message is posted to the window with the keyboard focus when a nonsystem key is released. |
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This message is sent to a window immediately before it loses the keyboard focus. |
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This message is sent when a menu is active and the user presses a key that does not correspond to any mnemonic or accelerator key. |
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This message is sent to a window after it has gained the keyboard focus. |
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This message is posted to the window with the keyboard focus when a WM_SYSKEYDOWN message is translated by the TranslateMessage function. |
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This message is sent to a window when the user chooses a command from the window menu, formerly known as the system or control menu, or when the user chooses the maximize button or the minimize button. |
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This message is posted to the window with the keyboard focus when a WM_SYSKEYDOWN message is translated by the TranslateMessage function. |
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This message is posted to the window with the keyboard focus when the user holds down the ALT key and then presses another key. |
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This message is posted to the window with the keyboard focus when the user releases a key that was pressed while the ALT key was held down. |