I'm having a strange problem. I have an MDI form and about 50 or so child forms. What began to happen is that when I open a child form and perform a right-click on a textbox, for instance... the 'copy/paste, etc' standard context menu no longer appears.

I'm not doing anything outside of normal with the Child Form. I've googled this issue for a while without success.

I'm not sure what is causing this to occur... and was hoping that someone might have encountered this issue as well.

Hi DataObjx,

Is it a TextBox or a RichTextBox? For the RichTextBox, it won't show default ContextMenuStrip when right clicked. But for TextBox, it should show ContextMenuStrip no matter whether it is an MDI child.

Sincerely,
Kira Qian

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