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DWM Constants and Enumerations

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This section contains information about the constants and enumerations used in the Desktop Window Manager (DWM) APIs.

In this section

Topic Description
DWM Blur Behind Constants Flags used by the DWM_BLURBEHIND structure to indicate which of its members contain valid information.
DWM Enable Composition Constants Flags used by the DwmEnableComposition function to change the state of DWM composition.
DWM_SOURCE_FRAME_SAMPLING Flags used by the DwmSetPresentParameters function to specify the frame sampling type.
DWM_TAB_WINDOW_REQUIREMENTS Returned by DwmGetUnmetTabRequirements to indicate the requirements needed for a window to put tabs in the application title bar.
DWM_TNP Constants Flags used by the DWM_THUMBNAIL_PROPERTIES structure to indicate which of its members contain valid information.
DWMFLIP3DWINDOWPOLICY Flags used by the DwmSetWindowAttribute function to specify the Flip3D window policy.
DWMNCRENDERINGPOLICY Flags used by the DwmSetWindowAttribute function to specify the non-client area rendering policy.
DWM_SYSTEMBACKDROP_TYPE Flags for specifying the system-drawn backdrop material of a window, including behind the non-client area.
DWMTRANSITION_OWNEDWINDOW_TARGET Identifies the target.
DWMWINDOWATTRIBUTE Flags used by the DwmGetWindowAttribute and DwmSetWindowAttribute functions to specify window attributes for non-client rendering.
GESTURE_TYPE Identifies the gesture type specified in DwmRenderGesture.
WINDOWCOMPOSITIONATTRIB Specifies options used by the WINDOWCOMPOSITIONATTRIBDATA structure.