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WM_LBUTTONUP

Windows Mobile 6.5
A version of this page is also available for
4/8/2010

This message is posted when the user releases the stylus from the touch screen while the stylus is pressed to the touch screen in the client area of a window or when the user releases the left mouse button while the cursor is located within the client area of a window. If another window does not capture the stylus or mouse input, the OS posts the message to the window that contains the stylus tip or cursor. If another window captures the stylus or mouse input, the OS posts the message to the window that has the capture.


WM_LBUTTONUP fwKeys = wParam; 
    xPos = LOWORD(lParam); 
    yPos = HIWORD(lParam);

fwKeys

Indicates the mouse buttons and keys that the user pressed. The following table shows the possible values, which can be combined.

Value Description

MK_CONTROL

The user pressed the CTRL key.

MK_SHIFT

The user pressed the SHIFT key.

xPos

Value of the low-order word of lParam. Specifies the x-coordinate of the cursor, relative to the upper-left corner of the client area.

yPos

Value of the high-order word of lParam. Specifies the y-coordinate of the cursor, relative to the upper-left corner of the client area.

An application should return zero if it processes this message.

Headerwindows.h
Windows Embedded CEWindows CE 1.0 and later
Windows MobileWindows Mobile Version 5.0 and later

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