/// <summary> /// 局部渲染 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void RenderRect_MenuItem_Click(object sender, EventArgs e) { if (channelID <= 0) { return; } var panelSize = this.panel1.ClientSize; int ret = PlayerSdk.EasyPlayer_SetRenderRect(channelID, new Rect { X = 0, Y = 0, Width = panelSize.Width / 2, Height = panelSize.Height / 2 }); (sender as ToolStripMenuItem).CheckState = CheckState.Checked; }