class CtrEnabled
{
[System.Runtime.InteropServices.DllImport("user32.dll ")]
static extern int SetWindowLong(IntPtr hWnd, int nIndex, int wndproc);
[System.Runtime.InteropServices.DllImport("user32.dll ")]
static extern int GetWindowLong(IntPtr hWnd, int nIndex);
const int GWL_STYLE = -16;
const int WS_DISABLED = 0x8000000;
public static void SetControlEnabled(Control c, bool enabled)
{
if (enabled)
{
SetWindowLong(c.Handle, GWL_STYLE, (~WS_DISABLED) & GetWindowLong(c.Handle, GWL_STYLE));
}
else
{
SetWindowLong(c.Handle, GWL_STYLE, WS_DISABLED + GetWindowLong(c.Handle, GWL_STYLE));
}
}
}
C#设置控件 Enabled 为 false 时背景色不改变
猜你喜欢
转载自blog.csdn.net/breakbridge/article/details/103913246
今日推荐
周排行