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Koya

Fabulous Member

From: The island with those Brits

Joined: 2015-02-18

Posts: 6,310

[Guide] Making a panel the drag-able part of the form.

While making my snake bot I had my first opportunity to make a panel as a head bar, and if you want to make your bot look nice this could be implemented

using System.Runtime.InteropServices;

public const int WM_NCLBUTTONDOWN = 0xA1; public const int HT_CAPTION = 0x2; [DllImportAttribute("user32.dll")] public static extern int SendMessage(IntPtr hWnd, int Msg, int wParam, int lParam); [DllImportAttribute("user32.dll")] public static extern bool ReleaseCapture();

private void panel1_MouseMove(object sender, MouseEventArgs e) {     if (e.Button == MouseButtons.Left)     {         ReleaseCapture();         SendMessage(Handle, WM_NCLBUTTONDOWN, HT_CAPTION, 0);     } }

Also direct label_MouseMove to there ^

Last edited by Metatron (Aug 9 2014 2:35:45 pm)

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Thank you eleizibeth ^

I stack my signatures rather than delete them so I don't lose them

Tako

Member

From: Memphis, Tennessee, USA

Joined: 2015-08-10

Posts: 6,663

Website

Re: [Guide] Making a panel the drag-able part of the form.

What is "Handle"?
[Edit] Nevermind, it's a class of some type. Very strange but I guess it works.

It's interesting to know how this works. It tricks Windows into thinking that the entire form is the title bar, and therefore draggable. I've used it once before.

Also, here's the credit for this code. Wouldn't want to be accused of plagiarizing.

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Yeah, well, you know that's just like, uh, your opinion, man.

Koya

Fabulous Member

From: The island with those Brits

Joined: 2015-02-18

Posts: 6,310

Re: [Guide] Making a panel the drag-able part of the form.

Also, here's the credit for this code. Wouldn't want to be accused of plagiarizing.

This code has been posted quite a few times and so I don't know who originally posted it.

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Thank you eleizibeth ^

I stack my signatures rather than delete them so I don't lose them