The ShowCursor function displays or hides the cursor. int ShowCursor(
BOOL bShow // cursor visibility flag
);
Parameters
bShow
Specifies whether the internal display counter is to be incremented or decremented. If bShow is TRUE, the display count is incremented by one. If bShow is FALSE, the display count is decremented by one.
Return Values
The return value specifies the new display counter. Res
This function sets an internal display counter that determines whether the cursor should be displayed. The cursor is displayed only if the display count is greater than or equal to 0. If a mouse is installed, the initial display count is 0. If no mouse is installed, the display count is –1.
BOOL bShow // cursor visibility flag
);
Parameters
bShow
Specifies whether the internal display counter is to be incremented or decremented. If bShow is TRUE, the display count is incremented by one. If bShow is FALSE, the display count is decremented by one.
Return Values
The return value specifies the new display counter. Res
This function sets an internal display counter that determines whether the cursor should be displayed. The cursor is displayed only if the display count is greater than or equal to 0. If a mouse is installed, the initial display count is 0. If no mouse is installed, the display count is –1.
而VC调用ShowCursor(), 是把本程序窗口当作工作窗口,所以VC只在本应用程序内隐藏鼠标
Private Declare Function ShowCursor Lib "user32" (ByVal bShow As Long) As LongPrivate Sub Command1_Click()
ShowCursor (False) 'hide
End Sub
Private Sub Command2_Click()
ShowCursor (True) 'show
End Sub