Touch Hit Testing Behaviors

The following constants are used by applications or UI frameworks to identify how messages for touch hit testing are processed by windows that are registered through the RegisterTouchHitTestingWindow function.

Constant/valueDescription
TOUCH_HIT_TESTING_DEFAULT
0 (0x0)

Indicates that WM_TOUCHHITTESTING messages are not sent to the target window but are sent to child windows.

TOUCH_HIT_TESTING_CLIENT
1 (0x1)

Indicates that WM_TOUCHHITTESTING messages are sent to the target window.

TOUCH_HIT_TESTING_NONE
2 (0x2)

Indicates that WM_TOUCHHITTESTING messages are not sent to the target window or child windows.

Requirements

Minimum supported client

Windows 8 [desktop apps only]

Minimum supported server

None supported

Header

Winuser.h

See also

Constants

 

 

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