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RadForm event for Double Clicking the title bar

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Adrian
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Adrian asked on 29 Jun 2011, 09:02 PM
I can't seem to find the event that is fired when the Title Bar of a RadForm is double clicked.
My form is maximized at all times and I don't want the user to change the size of the windown by double clicking the title bar. Form should always stay at maximized state and this (this.WindowState = System.Windows.Forms.FormWindowState.Maximized) is not preventing the resize on Title Bar double click.

 MaximizeBox property is set to False to prevent the user from clicking the form's maximize button. This part is working fine.

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Ivan Petrov
Telerik team
answered on 05 Jul 2011, 10:36 AM
Hi Adrian,

Thank you for writing.

Please consider the following code snippet:

const Int32 HTCAPTION = 0x2;
const Int32 WM_NCLBUTTONDBLCLK = 0xA3;
 
protected override void WndProc(ref Message msg)
{
  switch (msg.Msg)
  {
    case WM_NCLBUTTONDBLCLK:
      if (msg.WParam.ToInt32() == HTCAPTION)
        return;
      break;
  }
  base.WndProc(ref msg);
}

You have to add these constants and the method to your form.

I hope this will help. If you have further questions, feel free to ask.

Regards,
Ivan Petrov
the Telerik team
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Adrian
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Ivan Petrov
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