IDLitDirectWindow::OnMouseDown

Syntax | Arguments | Keywords | Version History

The IDLitDirectWindow::OnMouseDown procedure method handles notification from the window that a mouse down event has occurred.

Note
This method is only useful in conjunction with the Export Bridge. The method is only a stub and provides no functionality. In your subclass of IDLitDirectWindow, you should override this method to provide your own functionality. Your method will be automatically called by the Export Bridge. For more information, see Exporting Drawable Objects (IDL Connectivity Bridges).

Syntax

Obj->[IDLitDirectWindow::]OnMouseDown, X, Y, ButtonMask, Modifiers, NumClicks

Arguments

X

A long integer representing the x-location (in device coordinates) of the mouse event.

Y

A long integer representing the y-location (in device coordinates) of the mouse event.

ButtonMask

An integer containing a bitwise mask indicating which of the left, center, or right mouse button was pressed:

Table 32-2: Bitmask for Button Events
Bitmask	Mouse Button
1	Left
2	Middle
4	Right

Modifiers

A long integer containing a bitwise mask indicating which modifier keys are active at the time the mouse button is pressed. If a bit is zero, the key is up; if the bit is set, the key is pressed. The following table describes the bits in this bitmask:

Table 32-3: Bits of the Modifier Key Mask
Bit	Value	Modifier Key
0	1	Shift
1	2	Control
2	4	Caps Lock
3	8	Alt

NumClicks

An integer indicating the number of times the mouse button was clicked.

Keywords

None

Version History


6.3	Introduced