private void WmPaint(ref Message m)
{
if (base.DropDownStyle == ComboBoxStyle.Simple)
{
base.WndProc(ref m);
return;
}
if (base.DropDownStyle == ComboBoxStyle.DropDown)
{
if (!_bPainting)
{
Win32.Struct.PAINTSTRUCT ps =
new Win32.Struct.PAINTSTRUCT();
_bPainting = true;
Win32.NativeMethods.BeginPaint(m.HWnd, ref ps);
RenderComboBox(ref m);
Win32.NativeMethods.EndPaint(m.HWnd, ref ps);
_bPainting = false;
m.Result = Win32.Result.TRUE;
}
else
{
base.WndProc(ref m);
}
}
else
{
base.WndProc(ref m);
RenderComboBox(ref m);
}
}
private void WmPaint(ref Message m)
{
if (base.DropDownStyle == ComboBoxStyle.Simple)
{
base.WndProc(ref m);
}
else if (base.DropDownStyle == ComboBoxStyle.DropDown)
{
if (!this._bPainting)
{
Win32.Struct.PAINTSTRUCT ps = new Win32.Struct.PAINTSTRUCT();
this._bPainting = true;
Win32.NativeMethods.BeginPaint(m.HWnd, ref ps);
this.RenderComboBox(ref m);
Win32.NativeMethods.EndPaint(m.HWnd, ref ps);
this._bPainting = false;
m.Result = Win32.Result.TRUE;
}
else
{
base.WndProc(ref m);
}
}
else
{
base.WndProc(ref m);
this.RenderComboBox(ref m);
}
}
public static extern IntPtr BeginPaint(IntPtr hWnd, ref PAINTSTRUCT ps);
public static extern bool EndPaint(IntPtr hWnd, ref PAINTSTRUCT ps);
