private void SendWMScroll(ScrollBarCommands cmd)
{
if ((Parent != null) && Parent.IsHandleCreated)
{
if (vert)
{
XplatUI.SendMessage(Parent.Handle, Msg.WM_VSCROLL, (IntPtr)cmd, implicit_control ? IntPtr.Zero : Handle);
}
else
{
XplatUI.SendMessage(Parent.Handle, Msg.WM_HSCROLL, (IntPtr)cmd, implicit_control ? IntPtr.Zero : Handle);
}
}
}
/// <summary>
/// Helper method to send the right message
/// </summary>
/// <param name="scrollBarCommand">ScrollBarCommands enum to specify where to scroll</param>
/// <returns>true if this was possible</returns>
private bool SendScrollMessage(ScrollBarCommands scrollBarCommand)
{
switch (ScrollBarType)
{
case ScrollBarTypes.Horizontal:
User32Api.SendMessage(ScrollingWindow.Handle, WindowsMessages.WM_HSCROLL, scrollBarCommand, 0);
return(true);
case ScrollBarTypes.Vertical:
User32Api.SendMessage(ScrollingWindow.Handle, WindowsMessages.WM_VSCROLL, scrollBarCommand, 0);
return(true);
default:
return(false);
}
}
private void SendWMScroll(ScrollBarCommands cmd) {
if ((Parent != null) && Parent.IsHandleCreated) {
if (vert) {
XplatUI.SendMessage(Parent.Handle, Msg.WM_VSCROLL, (IntPtr)cmd, implicit_control ? IntPtr.Zero : Handle);
} else {
XplatUI.SendMessage(Parent.Handle, Msg.WM_HSCROLL, (IntPtr)cmd, implicit_control ? IntPtr.Zero : Handle);
}
}
}
public static extern int SendMessage(IntPtr hWnd, WindowsMessages windowsMessage, ScrollBarCommands scrollBarCommand, int lParam);
