public static void SendDataMessage(IntPtr hwnd, byte[] messageData)
{
var copyData = new CopyDataStruct
{
cbData = 0,
dwData = 0,
lpData = IntPtr.Zero
};
copyData.cbData = messageData.Length;
copyData.lpData = Marshal.AllocHGlobal(messageData.Length);
Marshal.Copy(messageData, 0, copyData.lpData, messageData.Length);
WindowAPI.SendMessage(hwnd, WinMsgType.WM_COPYDATA, 0, ref copyData);
Marshal.FreeHGlobal(copyData.lpData);
}
private void CompletionWindowOnClosed(object sender, EventArgs eventArgs)
{
UnbindCompletionWindowEventHandlers();
_completionWindow = null;
_isClosing = false;
if (_deactivateParentWindowOnCompletionWindowClose)
{
WithForm(delegate(Form form)
{
WindowAPI.SendMessage(form.Handle, WindowMessageType.WM_NCACTIVATE, new IntPtr(0), new IntPtr(0));
WindowAPI.SendMessage(form.Handle, WindowMessageType.WM_ACTIVATE, new IntPtr(0), new IntPtr(0));
});
_deactivateParentWindowOnCompletionWindowClose = false;
}
}
// ReSharper restore InconsistentNaming
/// <summary>
/// Displays a sort icon (up/down caret or chevron) on the given column.
/// </summary>
/// <param name="listViewControl"></param>
/// <param name="columnIndex"></param>
/// <param name="order"></param>
/// <exception cref="Win32Exception"></exception>
public static void SetSortIcon(this ListView listViewControl, int columnIndex, SortOrder order)
{
IntPtr columnHeader = WindowAPI.SendMessage(listViewControl.Handle, LVM_GETHEADER, IntPtr.Zero, IntPtr.Zero);
for (int columnNumber = 0; columnNumber <= listViewControl.Columns.Count - 1; columnNumber++)
{
var columnPtr = new IntPtr(columnNumber);
var item = new HDITEM
{
mask = HeaderItemMask.HDI_FORMAT
};
if (WindowAPI.SendMessage(columnHeader, HDM_GETITEM, columnPtr, ref item) == IntPtr.Zero)
{
throw new Win32Exception();
}
if (order != SortOrder.None && columnNumber == columnIndex)
{
switch (order)
{
case SortOrder.Ascending:
item.fmt &= ~HeaderItemFormat.HDF_SORTDOWN;
item.fmt |= HeaderItemFormat.HDF_SORTUP;
break;
case SortOrder.Descending:
item.fmt &= ~HeaderItemFormat.HDF_SORTUP;
item.fmt |= HeaderItemFormat.HDF_SORTDOWN;
break;
}
}
else
{
item.fmt &= ~HeaderItemFormat.HDF_SORTDOWN & ~HeaderItemFormat.HDF_SORTUP;
}
if (WindowAPI.SendMessage(columnHeader, HDM_SETITEM, columnPtr, ref item) == IntPtr.Zero)
{
throw new Win32Exception();
}
}
}
/// <summary>
/// Allows controls to repaint.
/// </summary>
/// <param name="parent"></param>
/// <seealso href="http://stackoverflow.com/a/487757/467582"/>
public static void ResumeDrawing(this Control parent)
{
WindowAPI.SendMessage(parent.Handle, WindowMessageType.WM_SETREDRAW, true, IntPtr.Zero);
parent.Refresh();
}
/// <summary>
/// Prevents controls from repainting.
/// </summary>
/// <param name="parent"></param>
/// <seealso href="http://stackoverflow.com/a/487757/467582"/>
public static void SuspendDrawing(this Control parent)
{
WindowAPI.SendMessage(parent.Handle, WindowMessageType.WM_SETREDRAW, false, IntPtr.Zero);
}
