有没有一种优雅的方式在 C# 中设置多行文本框中的自定义选项卡大小/位置?
你需要发送EM_SETTABSTOPS消息,就像这样:
static class NativeMethods {
[DllImport("user32.dll")]
public static extern IntPtr SendMessage(IntPtr hWnd, UInt32 Msg, IntPtr wParam, ref int lParam);
}
static void SetTabs(TextBox box) {
//EM_SETTABSTOPS - http://msdn.microsoft.com/en-us/library/bb761663%28VS.85%29.aspx
int lParam = 16; //Set tab size to 4 spaces
NativeMethods.SendMessage(box.Handle, 0x00CB, new IntPtr(1), ref lParam);
box.Invalidate();
}