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static extern IntPtr LoadCursor(IntPtr hInstance, int lpCursorName);

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private static extern IntPtr LoadCursorFromFile(string lpFileName);

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   SetSystemCursor(LoadCursor(IntPtr.Zero, OCR_WAIT), OCR_NORMAL);

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    ? LoadCursorFromFile(BusyCursorIcon)

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    : LoadCursorFromFile(DoneCursorIcon);

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     SetSystemCursor(LoadCursor(IntPtr.Zero, OCR_WAIT), OCR_NORMAL);

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Summary

The LoadCursor API

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static extern IntPtr LoadCursor(IntPtr hInstance, int lpCursorName);

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Public Shared Function LoadCursor( _

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Public Shared Function LoadCursor( _

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This function may not solve your problems when trying to load animated or colored cursors stored as embedded resources. I've wasted hours trying to get it to work to no avail. The LoadCursorFromFile method however works perfectly, so you might want to extract your cursor resource to a temp file and use the P/Invoke for that function.

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    IntPtr handle = LoadCursor(IntPtr.Zero, IDC_Arrow);

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   Dim HighlightPointer as Cursor = ColorCursor.LoadCursor(101)    

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      Private Declare Function LoadCursorAPI Lib "user32.dll" Alias "LoadCursorA" (ByVal hInstance As IntPtr, ByVal lpCursorName As String) As IntPtr

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      Public Shared Function LoadCursor(ByVal embededWin32ResourceID As Integer) As Cursor

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     Dim cursor As Cursor = TryLoadCursor(embededWin32ResourceID)

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      Public Shared Function TryLoadCursor(ByVal embededWin32ResourceID As Integer) As Cursor

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     Dim cPtr As IntPtr = LoadCursorAPI(hInstance, embededWin32ResourceID)

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     cPtr = LoadCursorAPI(hInstance, "#" & embededWin32ResourceID)

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Documentation

[LoadCursor] on MSDN

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Summary

The LoadCursorFromFile API

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static extern IntPtr LoadCursorFromFile(string lpFileName);

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    Private Shared Function LoadCursorFromFile(ByVal lpFileName As String) As IntPtr

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        IntPtr colorCursorHandle = LoadCursorFromFile("PencilCursor.cur");

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    Private Shared Function LoadCursorFromFile(ByVal lpFileName As String) As IntPtr

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    mhAniCursor = LoadCursorFromFile("c:\FarbCursor.cur")

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Documentation

[LoadCursorFromFile] on MSDN

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    IntPtr hcursor = LoadCursor(IntPtr.Zero, IDC_ARROW);

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    /// in the resource file closest to the desired size. This will succeed only if hImage was loaded by LoadIcon or LoadCursor,

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    ''' in the resource file closest to the desired size. This will succeed only if hImage was loaded by LoadIcon or LoadCursor,