// 按下 SendMessage(Handle, WM_LBUTTONDOWN, MK_LBUTTON, MAKELONG(32, 32)); // 抬起 SendMessage(Handle, WM_LBUTTONUP, MK_LBUTTON, MAKELONG(32, 32)); Compy From Windows SDK
The WM_MOUSEMOVE message is posted to a window when the cursor moves. If the mouse is not captured, the message is posted to the window that contains the cursor. Otherwise, the message is posted to the window that has captured the mouse.
WM_MOUSEMOVE fwKeys = wParam; // key flags xPos = LOWORD(lParam); // horizontal position of cursor yPos = HIWORD(lParam); // vertical position of cursor
Parameters
fwKeys
Value of wParam. Indicates whether various virtual keys are down. This parameter can be any combination of the following values:
Value Description MK_CONTROL Set if the CTRL key is down. MK_LBUTTON Set if the left mouse button is down. MK_MBUTTON Set if the middle mouse button is down. MK_RBUTTON Set if the right mouse button is down. MK_SHIFT Set if the SHIFT key is down.
xPos
Value of the low-order word of lParam. Specifies the x-coordinate of the cursor. The coordinate is 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. The coordinate is relative to the upper-left corner of the client area.
Res
The MAKEPOINTS macro can be used to convert the lParam parameter to a POINTS structure
SendMessage(Handle, WM_LBUTTONDOWN, MK_LBUTTON, MAKELONG(32, 32));
// 抬起
SendMessage(Handle, WM_LBUTTONUP, MK_LBUTTON, MAKELONG(32, 32));
Compy From Windows SDK
The WM_MOUSEMOVE message is posted to a window when the cursor moves. If the mouse is not captured, the message is posted to the window that contains the cursor. Otherwise, the message is posted to the window that has captured the mouse.
WM_MOUSEMOVE
fwKeys = wParam; // key flags
xPos = LOWORD(lParam); // horizontal position of cursor
yPos = HIWORD(lParam); // vertical position of cursor
Parameters
fwKeys
Value of wParam. Indicates whether various virtual keys are down. This parameter can be any combination of the following values:
Value Description
MK_CONTROL Set if the CTRL key is down.
MK_LBUTTON Set if the left mouse button is down.
MK_MBUTTON Set if the middle mouse button is down.
MK_RBUTTON Set if the right mouse button is down.
MK_SHIFT Set if the SHIFT key is down.
xPos
Value of the low-order word of lParam. Specifies the x-coordinate of the cursor. The coordinate is 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. The coordinate is relative to the upper-left corner of the client area.
Res
The MAKEPOINTS macro can be used to convert the lParam parameter to a POINTS structure