The MouseDown Event is available in LEADTOOLS Document and Medical Imaging toolkits.
An event of that triggers when the mouse is pressed on the control.
Syntax
| Visual Basic (Declaration) | |
|---|---|
Event MouseDown As MouseEventHandler | |
| Visual Basic (Usage) |  Copy Code |
|---|---|
Dim instance As IAnnAutomationControl Dim handler As MouseEventHandler AddHandler instance.MouseDown, handler | |
| C# | |
|---|---|
event MouseEventHandler MouseDown | |
| C++/CLI | |
|---|---|
event MouseEventHandler^ MouseDown | |
Event Data
The event handler receives an argument of type MouseEventArgs containing data related to this event. The following MouseEventArgs properties provide information specific to this event.
| Property | Description |
|---|---|
| Button | Gets which mouse button was pressed. |
| Clicks | Gets the number of times the mouse button was pressed and released. |
| Delta | Gets a signed count of the number of detents the mouse wheel has rotated. A detent is one notch of the mouse wheel. |
| Location | Gets the location of the mouse during the generating mouse event. |
| X | Gets the x-coordinate of the mouse during the generating mouse event. |
| Y | Gets the y-coordinate of the mouse during the generating mouse event. |
Example
For an example, refer to IAnnAutomationControl.
Remarks
If your control is derived from the standard System.Windows.Forms.Control, then you do not need to implement this event (since the default System.Windows.Forms.Control.MouseDown will be used).
Requirements
Target Platforms: Microsoft .NET Framework 2.0, Windows 2000, Windows XP, Windows Server 2003 family, Windows Server 2008 family, Windows Vista, Windows 7