C# Button Multi Line 설정하는 함수

using System.Runtime.InteropServices;

 

// Button Multi Line 함수
[DllImport("coredll")]
private static extern IntPtr GetCapture();
[DllImport("coredll")]
private static extern int GetWindowLong(IntPtr hWnd, int nIndex);
[DllImport("coredll")]
private static extern int SetWindowLong(IntPtr hWnd, int nIndex, int dwNewLong);
private const int GWL_STYLE = -16;
private const int BS_CENTER = 0x00000300;
private const int BS_VCENTER = 0x00000C00;
private const int BS_MULTILINE = 0x00002000;
private void SetButtonStyle(Button ctrl)
{
IntPtr hWnd;
int style;

ctrl.Capture = true;
hWnd = GetCapture();
ctrl.Capture = false;

style = GetWindowLong(hWnd, GWL_STYLE);
SetWindowLong(hWnd, GWL_STYLE, (style | BS_CENTER | BS_VCENTER | BS_MULTILINE));

ctrl.Refresh();
}