Updating the Image or currently clicked Node as a Cursor using Diagram Control
Cursor changed to Selected Node image
In diagram control, we have built-in support to create the cursor as the currently selected/clicked node shape by using Syncfusion.Windows.Forms.Diagram.ImageCursor’s CreateCursor() method.
The following code illustrates how to change the cursor to the node’s image while selecting/clicking the node in PaletteGroupBar.
[C#]
private void paletteGroupBar1_NodeDoubleClick(object sender, NodeEventArgs evtArgs)
{
// Get the index of the node currently clicked in the palette
int index = paletteGroupBar1.CurrentSymbolPalette.Nodes.IndexOf(evtArgs.Node as Node);
// Get the image of the node
Bitmap image = paletteGroupBar1.CurrentSymbolPalette.LargeImageList.Images[index] as Bitmap;
// Activating the customized tool
diagram1.Controller.ActivateTool("CustomRectangleTool");
// Change the cursor to an image
diagram1.Controller.ActiveTool.ActionCursor = ImageCursor.CreateCursor(image, 40, 40);
}
[VB]
'Registering the events
paletteGroupBar1.NodeDoubleClick += paletteGroupBar1_NodeDoubleClick
Private Sub paletteGroupBar1_NodeDoubleClick(ByVal sender As Object, ByVal evtArgs As NodeEventArgs)
'Get the index of the node currently clicked in palette
Dim index As Integer = paletteGroupBar1.CurrentSymbolPalette.Nodes.IndexOf(TryCast(evtArgs.Node, Node))
'Get the image of the node
Dim image As Bitmap = TryCast(paletteGroupBar1.CurrentSymbolPalette.LargeImageList.Images(index), Bitmap)
'Activating the customized tool
diagram1.Controller.ActivateTool("CustomRectangleTool")
'change the cursor as an image
diagram1.Controller.ActiveTool.ActionCursor = ImageCursor.CreateCursor(image, 40, 40)
End Sub
Conclusion
I hope you enjoyed learning about updating the image or currently clicked node as a cursor using Diagram Control.
You can refer to WinForms Diagram feature tour page to learn about its other groundbreaking feature representations and documentation, and how to quickly get started for configuration specifications. You can also explore our WinForms Diagram example to understand how to create and manipulate data.
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