Please note that the rectangle of selection always relates to the document currently displayed in the GdViewer control. You can find out, if this rectangle is currently defined and drawn within the control, using the IsRect method.
The RectEdited event, respectively the PreviewRectEdited event, is raised when the rectangle has been successfully moved.'DeclarationPublic Function IsRectMoving() As Boolean
public bool IsRectMoving()
public function IsRectMoving(): Boolean; public function IsRectMoving() : boolean;public: bool IsRectMoving();
public: bool IsRectMoving();
Be aware that you are allowed to define only one rectangle of selection within the GdViewer control. Likewise, this rectangle always relates to the currently displayed document.
'We assume that the GdViewer1 control has been properly integrated 'and your document has been properly displayed as well. Sub GdViewer1_MouseMove(ByVal sender As Object, ByVal e As MouseEventArgs) If GdViewer1.IsRectMoving() Then 'Do your stuff here. End If End Sub
//We assume that the GdViewer1 control has been properly integrated //and your document has been properly displayed as well. void GdViewer1_MouseMove(object sender, MouseEventArgs e) { if (GdViewer1.IsRectMoving()) { //Do your stuff here. } }