private unsafe void FixChecksumButton_Click(object sender, EventArgs e)
{
void *voidPointer = stackalloc void[17];
FolderBrowserDialog folderBrowserDialog = new FolderBrowserDialog();
*(voidPointer + 16) = folderBrowserDialog.ShowDialog() != DialogResult.OK;
if ((sbyte)(*(voidPointer + 16)) == 0)
{
try
{
Class0 class0 = new Class0(string.Concat(folderBrowserDialog.SelectedPath, "\\HED-DATA"), Enum0.const_0, true);
class0.vmethod_7((long)0);
*voidPointer = (uint)class0.vmethod_4();
class0.vmethod_7((long)8);
class0.method_4().Write(0);
class0.vmethod_7((long)76);
*(voidPointer + 4) = class0.method_2().ReadUInt32();
class0.vmethod_7((long)0);
byte[] numArray = class0.method_2().method_0((int)((uint)(*voidPointer)));
*(voidPointer + 8) = MainForm.smethod_0(numArray, 0);
Class0 class01 = new Class0(string.Concat(folderBrowserDialog.SelectedPath, "\\USR-DATA"), Enum0.const_0, true);
class01.vmethod_7((long)0);
byte[] numArray1 = class01.method_2().method_0((int)((uint)(*(voidPointer + 4))));
*(voidPointer + 12) = MainForm.smethod_0(numArray1, (uint)(*(voidPointer + 8)));
class01.vmethod_6();
class0.vmethod_7((long)8);
class0.method_4().Write((uint)(*(voidPointer + 12)));
class0.vmethod_6();
MessageBox.Show("Calculated The Checksum Successfully!", "Success", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
}
catch (Exception exception1)
{
Exception exception = exception1;
MessageBox.Show(string.Concat("Error: ", exception.Message));
}
}
}
// Token: 0x0600001D RID: 29
// RVA: 0x000280F4 File Offset: 0x000262F4
public int method_1(Class0.Class2 class2_0)
{
int num;
if ((num = class2_0.method_0(9)) >= 0)
{
int num2;
if ((num2 = (int)this.short_0[num]) >= 0)
{
class2_0.method_1(num2 & 15);
return num2 >> 4;
}
int num3 = -(num2 >> 4);
int int_ = num2 & 15;
if ((num = class2_0.method_0(int_)) >= 0)
{
num2 = (int)this.short_0[num3 | num >> 9];
class2_0.method_1(num2 & 15);
return num2 >> 4;
}
int num4 = class2_0.method_2();
num = class2_0.method_0(num4);
num2 = (int)this.short_0[num3 | num >> 9];
if ((num2 & 15) <= num4)
{
class2_0.method_1(num2 & 15);
return num2 >> 4;
}
return -1;
}
else
{
int num5 = class2_0.method_2();
num = class2_0.method_0(num5);
int num2 = (int)this.short_0[num];
if (num2 >= 0 && (num2 & 15) <= num5)
{
class2_0.method_1(num2 & 15);
return num2 >> 4;
}
return -1;
}
}