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c#decompiling

In C# what does expressionStack_xx_x mean?

I just decompiled an assembly file using .net reflector in C# and noticed a lot of expressionStack_xx_x expressions which I never encountered before. From my understanding, the compiler replaces variables with this expression but I am not certain. What are they used for and are they generated by the compiler? Incomplete example of code below:

    public void DisplayDestinationBrowser()
{
System.Windows.Forms.OpenFileDialog dialog2 = new System.Windows.Forms.OpenFileDialog();
System.Windows.Forms.OpenFileDialog expressionStack_45_1 = dialog2;
string expressionStack_45_0 = "";
System.Windows.Forms.OpenFileDialog expressionStack_10_2 = expressionStack_45_1;
string expressionStack_10_1 = expressionStack_45_0;
int expressionStack_10_0 = 0xf7b1;
}
Solution

  • Those are generated by your decompiler.

    The compiler does not save variable names at all.