Memory consumption was high when we add an image to canvas

Raja VIGNESH B 0

Hi team,

The memory consumption while adding an image to the canvas in Visual studio 2022 was very high. We are adding the image of size 15mb to the canvas. After adding the image to the canvas, the memory consumption was around 800mb. Please find the code snippet that we have used below,


Grid stampGrid = new Grid();
            stampGrid.Height = 300;
            stampGrid.Width = 400;
            BitmapImage bitmapImage = new BitmapImage(new Uri("Path of the image", UriKind.Absolute));
            System.Windows.Controls.Image image = new System.Windows.Controls.Image();
            image.Source = bitmapImage;
            stampGrid.Children.Add(image);
            canvas.Children.Add(stampGrid);

Please check on this issue.

Hui Liu-MSFT 38,191 Reputation points Microsoft Vendor

2023-04-03T09:51:41.7466667+00:00
Hi,@Raja VIGNESH B. Welcome Microsoft Q&A. You could try to see if the solutions here and here helps you.

Not sure if this is right for you, but you can also refer to the following methods.

Please find the code below and use it in some common space like where window is unloaded.

This will remove your much part of Memory but will not clear Memory Leak left by your code (like this will not remove your event handlers if you have not unregistered them but if you open report viewer and call this code after closing report viewer you may find the difference).

Declar this:

[DllImport("KERNEL32.DLL", EntryPoint = "SetProcessWorkingSetSize", SetLastError = true, CallingConvention = CallingConvention.StdCall)] internal static extern bool SetProcessWorkingSetSize(IntPtr pProcess, int dwMinimumWorkingSetSize, int dwMaximumWorkingSetSize); [DllImport("KERNEL32.DLL", EntryPoint = "GetCurrentProcess", SetLastError = true, CallingConvention = CallingConvention.StdCall)] internal static extern IntPtr GetCurrentProcess();

Consume this code

IntPtr pHandle = GetCurrentProcess(); SetProcessWorkingSetSize(pHandle, -1, -1);

This is where you need to declare the principle.

Ideally, you would declare the DLL import in the class and in it, and create a public method in the class that would have the consumer described above.

When you uninstall a window, you can call the class's public methods and empty the memory.
Raja VIGNESH B 0 Reputation points

2023-04-10T11:12:42.91+00:00

Hi Hui Lui, Thanks for the suggestions, but I have tried all the suggestions provided in above response and no memory is reduced at unload and the memory remains the same. Regards, Raja Vignesh.