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c# Programming Glossary: wm_nchittest

Click through transparency for Visual C# Window Forms?

http://stackoverflow.com/questions/112224/click-through-transparency-for-visual-c-sharp-window-forms

override void WndProc ref Message m if m.Msg int WM_NCHITTEST m.Result IntPtr HTTRANSPARENT else base.WndProc ref m share..

move a c# form without border style

http://stackoverflow.com/questions/1241812/move-a-c-sharp-form-without-border-style

the WndProc function. Constants in Windows API 0x84 WM_NCHITTEST Mouse Capture Test 0x1 HTCLIENT Application Client Area 0x2..

Resize borderless window on bottom right corner

http://stackoverflow.com/questions/1535826/resize-borderless-window-on-bottom-right-corner

Form.WndProc for example to your form and handle the WM_NCHITTEST message. You can find the C# definition of that message on PInvoke.net..

Vertically (only) resizable windows form in C#

http://stackoverflow.com/questions/2140882/vertically-only-resizable-windows-form-in-c-sharp

resize cursor to appear at all you'll need to handle the WM_NCHITTEST message like this protected override void WndProc ref Message.. ref Message m base.WndProc ref m switch m.Msg case 0x84 WM_NCHITTEST var result HitTest m.Result.ToInt32 if result HitTest.Left..

Resize WinForm, with no border?

http://stackoverflow.com/questions/2575216/resize-winform-with-no-border

override void WndProc ref Message m if m.Msg 0x84 Trap WM_NCHITTEST Point pos new Point m.LParam.ToInt32 0xffff m.LParam.ToInt32..

How to add an extra button to the window's title bar?

http://stackoverflow.com/questions/2841180/how-to-add-an-extra-button-to-the-windows-title-bar

in the caption area. The final step is to handle the WM_NCHITTEST message this where you will check the position of the mouse..

Drag borderless windows form by mouse [duplicate]

http://stackoverflow.com/questions/4767831/drag-borderless-windows-form-by-mouse

partial class MyDraggableForm Form private const int WM_NCHITTEST 0x84 private const int HTCLIENT 0x1 private const int HTCAPTION.. Message message base.WndProc ref message if message.Msg WM_NCHITTEST int message.Result HTCLIENT message.Result IntPtr HTCAPTION..

Pass-through mouse events to parent control

http://stackoverflow.com/questions/547172/pass-through-mouse-events-to-parent-control

style which uses WndProc to change the message from WM_NCHITTEST to HTTRANSPARENT making the Control transparent to mouse events... protected override void WndProc ref Message m const int WM_NCHITTEST 0x0084 const int HTTRANSPARENT 1 if m.Msg WM_NCHITTEST m.Result.. int WM_NCHITTEST 0x0084 const int HTTRANSPARENT 1 if m.Msg WM_NCHITTEST m.Result IntPtr HTTRANSPARENT else base.WndProc ref m I have..

How do I make a WPF window movable by dragging the extended window frame?

http://stackoverflow.com/questions/5493149/how-do-i-make-a-wpf-window-movable-by-dragging-the-extended-window-frame

override the WndProc handler in their form process the WM_NCHITTEST window message and trick the system into thinking a click on.. lParam ref bool handled switch msg case DwmApiInterop.WM_NCHITTEST handled true return new IntPtr DwmApiInterop.HTCAPTION default.. . This information can be obtained from the lParam of the WM_NCHITTEST message. The x coordinate of the cursor is its low order word..