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shrecognizegesture (aygshell)
 

aygshell is for smart devices, not desktop Windows. Therefore, this information only applies to code using the .NET Compact Framework. To see if information for shrecognizegesture in other DLLs exists, click on Find References to the right.

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Summary
Recognize tap-and-hold on Pocket PC

C# Signature:

[DllImport("aygshell.dll")]
static extern uint SHRecognizeGesture(ref SHRGINFO shrg);

VB .NET Signature:

Declare Function SHRecognizeGesture Lib "aygshell.dll" (shrg As SHRGINFO) As Integer

User-Defined Types:

[StructLayout(LayoutKind.Sequential)]
class SHRGINFO
{
   public uint cbSize = 0;
   public IntPtr hwndClient = IntPtr.Zero;
   public int x = 0; // POINT
   public int y = 0; // POINT
   public uint dwFlags = 0;
}

Constants:

const uint GN_CONTEXTMENU = 1000;
const uint SHRG_RETURNCMD = 0x00000001;
const uint SHRG_NOTIFYPARENT = 0x00000002;
const uint SHRG_LONGDELAY = 0x00000008;
const uint SHRG_NOANIMATION = 0x00000010;

Notes:

None

Tips & Tricks:

Please add some!

Sample Code:

Use this in conjunction with the SetCapture/GetCapture HWND sample:

static bool RecognizeGesture(IntPtr hWnd, int x, int y)
{
   SHRGINFO shrginfo = new SHRGINFO();
   shrginfo.cbSize = (uint)Marshal.SizeOf(shrginfo);
   shrginfo.hwndClient = hWnd;
   shrginfo.x = x;
   shrginfo.y = y;
   shrginfo.dwFlags = SHRG_RETURNCMD;
   return SHRecognizeGesture(ref shrginfo) == GN_CONTEXTMENU;
}

Alternative Managed API:

TODO

Documentation

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