- Button
- An integer that corresponds to the state of the mouse buttons in which a bit is set if the button is down. The Button argument is a bit field with bits corresponding to the left button (bit 0), right button (bit 1), and middle button (bit 2). These bits correspond to the values 1, 2, and 4, respectively. It indicates the complete state of the mouse buttons; some, all, or none of these three bits can be set, indicating that some, all, or none of the buttons are pressed.
- Shift
- An integer that corresponds to the state of the SHIFT, CTRL, and ALT keys at the time of the event. The Shift argument is a bit field with the least-significant bits corresponding to the SHIFT key (bit 0), the CTRL key (bit 1), and the ALT key (bit 2). These bits correspond to the values 1, 2, and 4, respectively. Some, all, or none of the bits can be set, indicating that some, all, or none of the keys are pressed. For example, if both CTRL and ALT are pressed, the value of Shift is 6.
- X
- Returns a number that specifies the x-position of the current location of the mouse pointer. The x and y values are always expressed in terms of the control window coordinate system.
- Y
- Returns a number that specifies the y-position of the current location of the mouse pointer. The x and y values are always expressed in terms of the control window coordinate system.
The MouseMove event is generated continually as the mouse pointer moves across the control.
If you need to test for the Button or Shift
arguments, you can use constants available in AgEButtonValues and
AgEShiftValues.
These constants act as bit masks you can use to test for any combination of buttons without having to figure out the unique bit field value for each combination.
Note You can use MouseDown and MouseUp event procedures to respond to events caused by pressing and releasing mouse buttons.
The Button argument for MouseMove differs from the Button argument for MouseDown and MouseUp. For MouseMove, the Button argument indicates the current state of all buttons; a single MouseMove event can indicate that some, all, or no buttons are pressed. For MouseDown and MouseUp, the Button argument indicates exactly one button per event.
In VB.NET the MouseMove event is shown as "xxxxxxxx_MouseMoveEvent" in the IDE.
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