/// <summary>
/// Gets the flags of the OLECMDTEXT structure
/// </summary>
/// <param name="pCmdTextInt">The structure to read.</param>
/// <returns>The value of the flags.</returns>
public static OLECMDTEXTF GetFlags(IntPtr pCmdTextInt)
{
Microsoft.VisualStudio.OLE.Interop.OLECMDTEXT pCmdText = (Microsoft.VisualStudio.OLE.Interop.OLECMDTEXT)Marshal.PtrToStructure(pCmdTextInt, typeof(Microsoft.VisualStudio.OLE.Interop.OLECMDTEXT));
if ((pCmdText.cmdtextf & (int)OLECMDTEXTF.OLECMDTEXTF_NAME) != 0)
{
return(OLECMDTEXTF.OLECMDTEXTF_NAME);
}
if ((pCmdText.cmdtextf & (int)OLECMDTEXTF.OLECMDTEXTF_STATUS) != 0)
{
return(OLECMDTEXTF.OLECMDTEXTF_STATUS);
}
return(OLECMDTEXTF.OLECMDTEXTF_NONE);
}
/// <devdoc>
/// Accessing the text of this structure is very cumbersome. Instead, you may
/// use this method to access an integer pointer of the structure.
/// Passing integer versions of this structure is needed because there is no
/// way to tell the common language runtime that there is extra data at the end of the structure.
/// </devdoc>
static string GetText(IntPtr pCmdTextInt)
{
Microsoft.VisualStudio.OLE.Interop.OLECMDTEXT pCmdText = (Microsoft.VisualStudio.OLE.Interop.OLECMDTEXT)Marshal.PtrToStructure(pCmdTextInt, typeof(Microsoft.VisualStudio.OLE.Interop.OLECMDTEXT));
// Punt early if there is no text in the structure.
//
if (pCmdText.cwActual == 0)
{
return("");
}
char[] text = new char[pCmdText.cwActual - 1];
Marshal.Copy((IntPtr)((long)pCmdTextInt + _offset_rgwz), text, 0, text.Length);
StringBuilder s = new StringBuilder(text.Length);
s.Append(text);
return(s.ToString());
}
public static void SetText(IntPtr pCmdTextInt, string text)
{
Microsoft.VisualStudio.OLE.Interop.OLECMDTEXT pCmdText = (Microsoft.VisualStudio.OLE.Interop.OLECMDTEXT)Marshal.PtrToStructure(pCmdTextInt, typeof(Microsoft.VisualStudio.OLE.Interop.OLECMDTEXT));
char[] menuText = text.ToCharArray();
// Get the offset to the rgsz param. This is where we will stuff our text
//
IntPtr offset = Marshal.OffsetOf(typeof(Microsoft.VisualStudio.OLE.Interop.OLECMDTEXT), "rgwz");
IntPtr offsetToCwActual = Marshal.OffsetOf(typeof(Microsoft.VisualStudio.OLE.Interop.OLECMDTEXT), "cwActual");
// The max chars we copy is our string, or one less than the buffer size,
// since we need a null at the end.
//
int maxChars = Math.Min((int)pCmdText.cwBuf - 1, menuText.Length);
Marshal.Copy(menuText, 0, (IntPtr)((long)pCmdTextInt + (long)offset), maxChars);
// append a null character
Marshal.WriteInt16((IntPtr)((long)pCmdTextInt + (long)offset + maxChars * 2), 0);
// write out the length
// +1 for the null char
Marshal.WriteInt32((IntPtr)((long)pCmdTextInt + (long)offsetToCwActual), maxChars + 1);
}
/// <devdoc>
/// Accessing the text of this structure is very cumbersome. Instead, you may
/// use this method to access an integer pointer of the structure.
/// Passing integer versions of this structure is needed because there is no
/// way to tell the common language runtime that there is extra data at the end of the structure.
/// </devdoc>
public static string GetText(IntPtr pCmdTextInt)
{
Microsoft.VisualStudio.OLE.Interop.OLECMDTEXT pCmdText = (Microsoft.VisualStudio.OLE.Interop.OLECMDTEXT)Marshal.PtrToStructure(pCmdTextInt, typeof(Microsoft.VisualStudio.OLE.Interop.OLECMDTEXT));
// Get the offset to the rgsz param.
//
IntPtr offset = Marshal.OffsetOf(typeof(Microsoft.VisualStudio.OLE.Interop.OLECMDTEXT), "rgwz");
// Punt early if there is no text in the structure.
//
if (pCmdText.cwActual == 0)
{
return(String.Empty);
}
char[] text = new char[pCmdText.cwActual - 1];
Marshal.Copy((IntPtr)((long)pCmdTextInt + (long)offset), text, 0, text.Length);
StringBuilder s = new StringBuilder(text.Length);
s.Append(text);
return(s.ToString());
}
