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Muhammad
730
Enabling Paste option on the basis of copied nodes
posted

Hi,

I have a copy and a paste button on my UI. I want to enable Paste button when there are some copied nodes on the clipboard. I know one workaround is to set a bool when calling CopySelectedNodes()  for e.g.

bool hasCopiedNodes = ultraTree1.CopySelectedNodes();

if(hasCopiedNodes)

btnPaste.Enabled = true;

if i have Enabled the paste button, what if somehow the clipboard get cleared or the copied data is no longer available, How can i know that the Copied data is no longer available on the basis of which i will disable my Paste button.

  • 69832
    Offline posted

    It would seem that the Clipboard class does not expose any events that fire when the contents change, so the only solution I can think of would be to call the GetData method on a timer to see if what it contains, and then enable/disable the button accordingly.