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优化InfoImage使用方式，避免频繁Dispose，改为直接清除并重绘

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zqm
2025-10-30 10:34:03 +08:00
parent 8820857d8a
commit 1261e861cc
1 changed files with 9 additions and 36 deletions
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45
Windows/CS/Framework4.0/Toprie/Toprie/Camera.cs
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@@ -811,18 +811,7 @@ namespace JoyD.Windows.CS.Toprie
// 清除InfoImage和显示标志 // 清除InfoImage和显示标志
lock (_infoImageLock) lock (_infoImageLock)
{ {
if (_infoImage != null) _infoImage = null; // 直接设为null，不需要Dispose
{
try
{
_infoImage.Dispose();
_infoImage = null;
}
catch (Exception ex)
{
Console.WriteLine($"释放InfoImage资源异常: {ex.Message}");
}
}
} }
_isDisplayingInfo = false; _isDisplayingInfo = false;
@@ -877,21 +866,13 @@ namespace JoyD.Windows.CS.Toprie
// 在InfoImage中显示连接断开信息 // 在InfoImage中显示连接断开信息
lock (_infoImageLock) lock (_infoImageLock)
{ {
// 释放之前的InfoImage资源 // 如果_infoImage为null，则创建新对象
if (_infoImage != null) if (_infoImage == null)
{ {
try _infoImage = new Bitmap(BUFFER_WIDTH, BUFFER_HEIGHT);
{
_infoImage.Dispose();
}
catch (Exception ex)
{
Console.WriteLine($"释放InfoImage资源异常: {ex.Message}");
}
} }
// 创建新的InfoImage并绘制断开连接字样 // 直接在现有InfoImage上重绘，不需要Dispose
_infoImage = new Bitmap(BUFFER_WIDTH, BUFFER_HEIGHT);
using (Graphics g = Graphics.FromImage(_infoImage)) using (Graphics g = Graphics.FromImage(_infoImage))
{ {
// 设置半透明背景 // 设置半透明背景
@@ -936,21 +917,13 @@ namespace JoyD.Windows.CS.Toprie
// 在InfoImage中显示正在重连信息 // 在InfoImage中显示正在重连信息
lock (_infoImageLock) lock (_infoImageLock)
{ {
// 释放之前的InfoImage资源 // 如果_infoImage为null，则创建新对象
if (_infoImage != null) if (_infoImage == null)
{ {
try _infoImage = new Bitmap(BUFFER_WIDTH, BUFFER_HEIGHT);
{
_infoImage.Dispose();
}
catch (Exception ex)
{
Console.WriteLine($"释放InfoImage资源异常: {ex.Message}");
}
} }
// 创建新的InfoImage并绘制正在重连字样 // 直接在现有InfoImage上重绘，不需要Dispose
_infoImage = new Bitmap(BUFFER_WIDTH, BUFFER_HEIGHT);
using (Graphics g = Graphics.FromImage(_infoImage)) using (Graphics g = Graphics.FromImage(_infoImage))
{ {
// 设置半透明背景 // 设置半透明背景