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 End-User Documentation

DiagramControl.ShowingOpenImageDialog Event

Fires before showing an 'Insert Picture' dialog, and allows it to be customized.

Namespace:DevExpress.Xpf.Diagram
Assembly:DevExpress.Xpf.Diagram.v18.1.dll

Expanded Syntax

Expanded Event Data

The event handler receives an argument of type DiagramShowingOpenImageDialogEventArgs containing data related to this event.

The following DiagramShowingOpenImageDialogEventArgs properties provide information specific to this event.
Property Description
Cancel Gets or sets whether the event should be canceled.
Filter
Handled Gets or sets a value that indicates the present state of the event handling for a routed event as it travels the route.
ImageSourceToOpen
InitialDirectory
OriginalSource Gets the original reporting source as determined by pure hit testing, before any possible System.Windows.RoutedEventArgs.Source adjustment by a parent class.
RoutedEvent Gets or sets the System.Windows.RoutedEventArgs.RoutedEvent associated with this System.Windows.RoutedEventArgs instance.
Source Gets or sets a reference to the object that raised the event.
Title

Expanded Remarks

This event allows you to respond to an 'Insert Picture' dialog being invoked. You can handle it to change the dialog or prevent it from being displayed. To prevent the dialog from being displayed, set the event's Cancel parameter to true.

You can also use the following event's options:

  • ImageSourceToOpen - allows you to specify the object that contains the image.

  • Filter - allows you to specify the current file name filter string which determines the files that are displayed by the dialog box.

  • InitialDirectory - allows you to specify the initial directory displayed by the dialog box.

  • Title - allows you to specify the dialog box title.

Expanded See Also

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