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This section contains information about the Desktop Window Manager (DWM) messages.
In this section
| Topic | Description |
|---|---|
| WM_DWMCOLORIZATIONCOLORCHANGED |
Informs all top-level windows that the colorization color has changed. |
| WM_DWMCOMPOSITIONCHANGED |
Informs all top-level windows that DWM composition has been enabled or disabled. Note: As of Windows 8, DWM composition is always enabled, so this message is not sent regardless of video mode changes. |
| WM_DWMNCRENDERINGCHANGED |
Sent when the non-client area rendering policy has changed. |
| WM_DWMSENDICONICLIVEPREVIEWBITMAP |
Instructs a window to provide a static bitmap to use as a live preview (also known as a Peek preview) of that window. |
| WM_DWMSENDICONICTHUMBNAIL |
Instructs a window to provide a static bitmap to use as a thumbnail representation of that window. |
| WM_DWMWINDOWMAXIMIZEDCHANGE |
Sent when a DWM composed window is maximized. |