WM_MOUSEMOVE

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

This message is posted to a window when user moves the mouse while pressing the left mouse button or moves the stylus while the tip is down. If another window does not capture the mouse stylus input, the OS posts the message to the window that contains the cursor or the stylus tip. If another window captures the mouse or stylus input, the OS posts the message to the window that has the capture.


WM_MOUSEMOVE 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_LBUTTON

The user pressed the left mouse button.

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.

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

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