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Споделяне чрез

CommonDialog.OnHelpRequest(EventArgs) Method

  • Reference

Definition

Namespace:
System.Windows.Forms
Assembly:
System.Windows.Forms.dll
Source:
CommonDialog.cs
Source:
CommonDialog.cs
Source:
CommonDialog.cs

Raises the HelpRequest event.

C# 
protected virtual void OnHelpRequest(EventArgs e);

Parameters

e
EventArgs

An HelpEventArgs that provides the event data.

Remarks

This method is invoked when the Help button is clicked. Inheriting classes can override this method to handle the event.

Applies to

Продукт Версии
.NET Framework 1.1, 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1
Windows Desktop 3.0, 3.1, 5, 6, 7, 8, 9, 10