C#, mouseClickEvent doesn't respond to right mouse click

on click event doesn't respond to right mouse click. 开发者_运维问答The event is for a richTextBox. when I try the same code on the form it works fine.

what could be the problem?

EDIT: I use winforms

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You need to check it on the MouseDown event.

private void TextBox_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
{
    if (e.Button == MouseButtons.Right)
        wasRightButtonClicked = true;
}

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The Click and MouseClick events are only generated by a left-click. If you want to detect right-clicks then you have to implement the MouseDown or MouseUp event.