ArcGIS Pro 2.9 API Reference Guide
OnToolMouseDown Method (LayoutTool)

ArcGIS.Desktop.Layouts Namespace > LayoutTool Class : OnToolMouseDown Method
A LayoutViewMouseButtonEventArgs that contains the event data.
Occurs when a mouse button is pressed on the view.
Syntax
protected virtual void OnToolMouseDown( 
   LayoutViewMouseButtonEventArgs e
)
Protected Overridable Sub OnToolMouseDown( _
   ByVal e As LayoutViewMouseButtonEventArgs _
) 

Parameters

e
A LayoutViewMouseButtonEventArgs that contains the event data.
Remarks
This method is intended to perform synchronous operations associated with a mouse down event. To perform any asynchronous operations set the handled property on the LayoutViewMouseButtonEventArgs to true and override the HandleMouseDownAsync virtual method.
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

See Also

Reference

LayoutTool Class
LayoutTool Members