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4/8/2010

This structure contains message information from a thread's message queue.

Syntax 

typedef struct tagMSG { 
  HWND 
hwnd; 
  UINT 
message; 
  WPARAM 
wParam; 
  LPARAM 
lParam; 
  DWORD 
time; 
  POINT 
pt; 
} MSG;

Members

hwnd

Handle to the window whose window procedure receives the message.

message

Specifies the message identifier.

wParam

Specifies additional information about the message. The exact meaning depends on the value of the messagemember.

lParam

Specifies additional information about the message. The exact meaning depends on the value of the messagemember.

time

Specifies the time at which the message was posted.

pt

Specifies the cursor position, in screen coordinates, when the message was posted.

Remarks

On Windows Embedded CE–based devices that use a stylus and touch screen instead of a mouse, the ptmember contains the coordinates of the last position touched on the screen, rather than the coordinates of the current cursor position.

If you need mouse cursor support in your application, use the Windows Embedded CE Iconcurs component rather than the Windows Embedded CE Icon component and the Windows Embedded CE Mcursor component rather than the Windows Embedded CE Cursor component.

The timemember is the number of milliseconds since a cold or warm boot on a device. It is the value returned by the GetTickCountfunction. Not included is the time that a device is in suspend mode.

Requirements

Header winuser.h
Windows Embedded CE Windows CE 1.0 and later
Windows Mobile Windows Mobile Version 5.0 and later

See Also